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HEPTACHLOR†

Chemical Identification
CAS #	76-44-8
Formula	C₁₀H₅Cl₇
Synonyms	1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene

Physical Properties
Physical description	White to light-tan crystals with a camphor-like odor.
Boiling point	293°F (decomposes)	Molecular weight	373.4
Freezing point/melting point	203°F	Vapor pressure	0.0003 mmHg at 77°F
Flash point		Vapor density
Specific gravity	1.66	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	1369
Sampling group
Sampler/Sampling media	OSHA versatile sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg) with GFF enclosed [SKC 226-30-16]
Sampling time^*
Sampling volume (TWA)^*	60 L
Sampling flow rate (TWA)^*	1 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-ECD
Method reference	OSHA PV2029 (partially validated)
Notes
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method	Limit the amount of bulk submitted to 1 g or 1 mL.

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA	0.5 mg/m³	REL-TWA	0.5 mg/m³	TLV-TWA	0.05 mg/m³ [1990]	PEL-TWA	0.005 mg/m³
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	Y	Skin notation	Y	Skin notation	Y	Skin notation	Y
Notes: See 29 CFR 1910.1000 Table Z-1.		Notes: CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens.		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	35 mg/m³
Carcinogenic classifications: IARC-2B, NIOSH-Ca, TLV-A3, EPA-B2		Notes: Ca
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Heptachlor

NIOSH: Pocket Guide to Chemical Hazards - Heptachlor

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Heptachlor [76-44-8] and Heptachlor epoxide [1024-57-3]. See annual publication for most recent information.
Agency for Toxic Substances and Disease Registry (ATSDR): Draft toxicological profile for heptachlor and heptachlor epoxide. Atlanta: ATSDR, (September) 2005, 177 pp.
International Agency for Research on Cancer: Chlordane and Heptachlor (Group 2B). IARC Summaries & Evaluations, Vol 79, 2001.
EPA Air Toxics Website: Heptachlor. U.S. Environmental Protection Agency Technology Transfer Network.
Pohanish, R.P. (editor): Heptachlor. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 1225-1227.
Quintana, P.J.E., et al.: Adipose tissue levels of organochlorine pesticides and polychlorinated biphenyls and risk of non-Hodgkin's lymphoma. Environ. Health Perspect. 112(8): 854-861, 2004.

Last Updated Date : 01/29/2021

BORON TRIFLUORIDE†

Chemical Identification
CAS #	7637-07-2
Formula	BF₃
Synonyms	boron fluoride; trifluoroborane

Physical Properties
Physical description	Colorless gas with a pungent, suffocating odor.
Boiling point	-148°F	Molecular weight	67.8
Freezing point/melting point	-196°F	Vapor pressure	>50 atm
Flash point		Vapor density	2.38
Specific gravity	1.6	Ionization potential	15.50 eV
Lower explosive limit (LEL)	Not flammable	Upper explosive limit (UEL)	Not flammable
NFPA health rating	4	NFPA fire rating	0
NFPA reactivity rating	1	NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	0382
Sampling group
Sampler/Sampling media	Midget fritted glass bubbler (MFGB) containing 10 mL Ammonium Fluoride (0.1 N) [Infrequently Requested Method - OSHA staff pls contact SLTC before sampling 801-233-5100]
Sampling time^*
Sampling volume (TWA)^*	15 L
Sampling flow rate (TWA)^*	1 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	ISE
Method reference	OSHA ID-216SG (partially validated)
Notes	Submit as a separate sample. Analysis is for fluoroborate (BF₄-) ion.
Special requirements	Samples must be stored and shipped in plastic bottles.

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA		PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C	1 ppm (3 mg/m³)	REL-C	1 ppm (3 mg/m³)	TLV-C		PEL-C	1 ppm (3 mg/m³)
Skin notation	N	Skin notation	N	Skin notation	N	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-1.		Notes:		Notes: Visit the ACGIH TLV site for specific data		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	25 ppm
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: 2 mg/m³/30 mg/m³/100 mg/m³

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Boron trifluoride

NIOSH: Pocket Guide to Chemical Hazards - Boron trifluoride

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Boron trifluoride. See annual publication for most recent information.
Fluoride Action Network Pesticide Project: Boron Trifluoride. Material Safety Data Sheet. May 2001.
Pohanish, R.P. (editor): Boron Trifluoride. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 362-364.
Stewart, M.J., Waisberg, R. and Pretorius, E.J.: Poisoning with boron trifluoride. S. Afr. Med. J. 88(12): 1536-1537, 1998.

Last Updated Date : 04/03/2024

SODIUM BISULFITE

Chemical Identification
CAS #	7631-90-5
Formula	NaHSO₃
Synonyms	monosodium salt of sulfurous acid; sodium acid bisulfite; sodium bisulphite; sodium hydrogen sulfite

Physical Properties
Physical description	White crystals or powder with a slight odor of sulfur dioxide.
Boiling point	decomposes	Molecular weight	104.06
Freezing point/melting point	decomposes	Vapor pressure
Flash point		Vapor density
Specific gravity	1.48	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	S050
Sampling group
Sampler/Sampling media	Pre-assembled cassette with mixed cellulose ester filter (MCEF) 0.8 micron (25 or 37 mm) [MAWP025A0 or MAWP037A0]
Sampling time^*	240-480 min
Sampling volume (TWA)^*	480-960 L
Sampling flow rate (TWA)^*	2 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	AAS/AES
Method reference	OSHA ID-121 (fully validated)
Notes	Results will be reported from the elemental analysis for the element only; the stated identity of the actual sample contents is based on the assumption that the material sampled is as identified by the compliance officer using available documentation of materials and processes. An elemental result provided may be converted to the desired compound by multiplying the result by the appropriate stoichiometric factor. A 91B report specific to the compound (including the stoichiometric conversion) may by be provided upon request by contacting the laboratory. The stoichiometric factor for sodium bisulfite from sodium is 4.526. Analysis for this analyte is based on water solubility.
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA	5 mg/m³	TLV-TWA	5 mg/m³ [1992]	PEL-TWA	5 mg/m³
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	N	Skin notation	N	Skin notation	N
Notes: Not established		Notes:		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications: TLV-A4, IARC-3		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Sodium bisulfite

NIOSH: Pocket Guide to Chemical Hazards - Sodium bisulfite

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Sodium bisulfite. See annual publication for most recent information.

Last Updated Date : 01/12/2021

SILICA, AMORPHOUS INCLUDING NATURAL DIATOMACEOUS EARTH†

Chemical Identification
CAS #	Varies
Formula	SiO₂
Synonyms	diatomaceous earth; diatomaceous silica; diatomite; precipitated amorphous silica; silica gel; silicon dioxide (amorphous); vitreous silica

Physical Properties
Physical description	Transparent to gray, odorless powder.
Boiling point	4046°F	Molecular weight	60.1
Freezing point/melting point	3110°F	Vapor pressure	0 mmHg (approx)
Flash point		Vapor density
Specific gravity	2.20	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	S122 (total); request using analyte code 9135
Sampling group
Sampler/Sampling media	Tared low-ash 37 mm PVC filter, 5 microns [SLTC108]
Sampling time^*	240-480 min
Sampling volume (TWA)^*	960 L
Sampling flow rate (TWA)^*	2 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	Gravimetric
Method reference	OSHA PV2121 (partially validated)
Notes	If the net weight of the sample yields a concentration below the PEL after considering the associated SAE , the SLTC will perform no further work on the sample and the sample air concentration will be reported as the calculated gravimetric air concentration. If the net weight corresponds to an amount greater than the PEL value after considering the associated SAE, the sample may be analyzed for the applicable component and appropriate results will be reported.
Special requirements	FOR TOTAL DUST SAMPLES, DO NOT USE A CYCLONE!!

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA	20 mppcf or (80 mg/m³)/(%SiO2)	REL-TWA	6 mg/m³	TLV-TWA		PEL-TWA	6 mg/m³ (total dust), 3 mg/m³ (respirable dust), 6 mg/m³ (precipitated and gel)
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	N	Skin notation	N	Skin notation	NA	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-3, Mineral Dusts.		Notes:		Notes: Not established		Notes: See footnote (n).
Health factors: See NIH-NLM PubChem.		IDLH	3000 mg/m³
Carcinogenic classifications: IARC-3		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Silica, amorphous

NIOSH: Pocket Guide to Chemical Hazards - Silica, amorphous

Literature References

Last Updated Date : 01/11/2021

CAMPHOR†

Chemical Identification
CAS #	76-22-2
Formula	C₁₀H₁₆O
Synonyms	2-camphonone; gum camphor; laurel camphor; synthetic camphor

Physical Properties
Physical description	Colorless or white crystals with a penetrating, aromatic odor.
Boiling point	399°F	Molecular weight	152.3
Freezing point/melting point	345°F	Vapor pressure	0.2 mmHg
Flash point	150°F	Vapor density
Specific gravity	0.99	Ionization potential	8.76 eV
Lower explosive limit (LEL)	0.6%	Upper explosive limit (UEL)	3.5%
NFPA health rating	2	NFPA fire rating	2
NFPA reactivity rating	0	NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	0522
Sampling group
Sampler/Sampling media	CSC tube (100/50 mg) [SKC 226-01]
Sampling time^*
Sampling volume (TWA)^*	1-25 L
Sampling flow rate (TWA)^*	0.01-0.2 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-FID
Method reference	NIOSH 1301 (partially validated)
Notes
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA	2 mg/m³	REL-TWA	2 mg/m³	TLV-TWA		PEL-TWA	2 mg/m³
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	N	Skin notation	N	Skin notation	N	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-1.		Notes:		Notes: Visit the ACGIH TLV site for specific data		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	200 mg/m³
Carcinogenic classifications: TLV-A4		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Camphor

NIOSH: Pocket Guide to Chemical Hazards - Camphor (synthetic)

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Camphor, synthetic. See annual publication for most recent information.
Mallinckrodt Baker, Inc.: Material Safety Data Sheet. DL-Camphor.
Pohanish, R.P. (editor): Camphor. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 475-476.
Uc, A., Bishop, W.P. and Sanders, K.D.: Camphor hepatotoxicity. South. Med. J. 93(6): 596-598, 2000.

Last Updated Date : 04/09/2024

PERCHLORYL FLUORIDE†

Chemical Identification
CAS #	7616-94-6
Formula	ClFO₃
Synonyms	chlorine fluoride oxide; chlorine oxyfluoride; trioxychlorofluoride

Physical Properties
Physical description	Colorless gas with a characteristic, sweet odor.
Boiling point	-52°F	Molecular weight	102.5
Freezing point/melting point	-234°F	Vapor pressure	10.5 atm
Flash point		Vapor density	3.64
Specific gravity		Ionization potential	13.60 eV
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA	3 ppm (13.5 mg/m³)	REL-TWA	3 ppm (14 mg/m³)	TLV-TWA	3 ppm [1962]	PEL-TWA	3 ppm (14 mg/m³)
PEL-STEL		REL-STEL	6 ppm (28 mg/m³)	TLV-STEL	6 ppm [1962]	PEL-STEL	6 ppm (28 mg/m³)
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	N	Skin notation	N	Skin notation	N	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-1		Notes:		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	100 ppm
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Perchloryl fluoride

NIOSH: Pocket Guide to Chemical Hazards - Perchloryl fluoride

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Perchloryl fluoride. See annual publication for most recent information.

Last Updated Date : 01/08/2021

CHLOROPENTAFLUOROETHANE

Chemical Identification
CAS #	76-15-3
Formula	C₂ClF₅
Synonyms	Fluorocarbon-115; Freon115; Genetron115; Halocarbon 115; monochloropentafluoroethane

Physical Properties
Physical description	Colorless gas with a slight, ethereal odor.
Boiling point	-38°F	Molecular weight	154.5
Freezing point/melting point	-223°F	Vapor pressure	7.9 atm
Flash point		Vapor density	5.55
Specific gravity		Ionization potential	12.96 eV
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA	1000 ppm (6320 mg/m³	TLV-TWA	1000 ppm [1978]	PEL-TWA	1000 ppm (6320 mg/m³)
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	N	Skin notation	N	Skin notation	N
Notes: Not established		Notes:		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications: Not listed		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Chloropentafluoroethane

NIOSH: Pocket Guide to Chemical Hazards - Chloropentafluoroethane

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Chloropentafluoroethane. See annual publication for most recent information.

Last Updated Date : 12/21/2020

DICHLOROTETRAFLUOROETHANE†

Chemical Identification
CAS #	76-14-2, 1320-37-2 (mixed isomers)
Formula	C₂Cl₂F₄
Synonyms	1,2-dichlorotetrafluoroethane; Freon114; Genetron114; Halon242; Refrigerant 114

Physical Properties
Physical description	Colorless gas with a faint, ether-like odor at high concentrations.
Boiling point	38°F	Molecular weight	170.9
Freezing point/melting point	-137°F	Vapor pressure	1.9 atm at 70°F
Flash point		Vapor density	1.455
Specific gravity		Ionization potential	12.20 eV
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	0900
Sampling group
Sampler/Sampling media	2 CSC tubes (100/50 mg sections, 20/40 mesh) in series [SKC 226-01]
Sampling time^*
Sampling volume (TWA)^*	1-4 L
Sampling flow rate (TWA)^*	0.05 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-FID
Method reference	NIOSH 1018 (fully validated)
Notes
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device	Infrared spectrophotometer	Infrared spectrophotometer	Organic vapor analyzer
Model/Type	Miran 1A & 1B	Miran 103
Sampling information (see manufacturer instructions)	0.06 ppm@8.7 µm	0-500 ppm@8.1 µm range

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA	1000 ppm (7000 mg/m³)	REL-TWA	1000 ppm (7000 mg/m³)	TLV-TWA	1000 ppm [1979]	PEL-TWA	1000 ppm (7000 mg/m³)
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	N	Skin notation	N	Skin notation	N	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-1.		Notes:		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	15,000 ppm
Carcinogenic classifications: TLV-A4		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - 1,2-Dichloro-1,1,2,2-tetrafluoroethane

NIOSH: Pocket Guide to Chemical Hazards - Dichlorotetrafluoroethane

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Dichlorotetrafluoroethane. See annual publication for most recent information.
Occupational Health Guidelines for Chemical Hazards. US Department of Health and Human Services (DHHS), National Institute for Occupational Safety and Health (NIOSH) Publication No. 81-123, (1981, January). Provides a table of contents of guidelines for many hazardous chemicals. The files provide technical chemical information, including chemical and physical properties, health effects, exposure limits, and recommendations for medical monitoring, personal protective equipment (PPE), and control procedures.

Last Updated Date : 01/12/2023

1,1,2-TRICHLORO-1,2,2-TRIFLUOROETHANE (FREON 113)†

Chemical Identification
CAS #	76-13-1
Formula	C₂F₃Cl₃
Synonyms	Chlorofluorocarbon-113; CFC-113; Freon113; Genetron113; Halocarbon 113; Refrigerant 113; TTE

Physical Properties
Physical description	Colorless to water-white liquid with an odor like carbon tetrachloride at high concentrations.
Boiling point	118°F	Molecular weight	187.4
Freezing point/melting point	-33.5°F	Vapor pressure	285 mmHg
Flash point		Vapor density
Specific gravity	1.56	Ionization potential	11.99 eV
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	2485
Sampling group
Sampler/Sampling media	2 Anasorb CMS tubes in series (150/75 mg) [no longer available]
Sampling time^*
Sampling volume (TWA)^*	1L
Sampling flow rate (TWA)^*	0.05 L/min
Sampling volume (STEL/Peak/C)^*	0.75 L
Sampling flow rate (STEL/Peak/C)^*	0.05 L/min
Analytical method instruments	GC-FID
Method reference	OSHA 113 (fully validated)
Notes	This media is no longer available. OSHA staff please contact the SLTC prior to sampling at (801) 233-5100.
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA	1000 ppm (7600 mg/m³)	REL-TWA	1000 ppm (7600 mg/m³)	TLV-TWA	1000 ppm [1992]	PEL-TWA	1000 ppm (7600 mg/m³)
PEL-STEL		REL-STEL	1250 ppm (9500 mg/m³)	TLV-STEL	1250 ppm [1992]	PEL-STEL	1250 ppm (9500 mg/m³)
PEL-C		REL-C		TLV-C		PEL-C	2000 ppm
Skin notation	N	Skin notation	N	Skin notation	N	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-1.		Notes:		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	2000 ppm
Carcinogenic classifications: TLV-A4		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - 1,1,2-Trichloro-1,2,2-trifluoroethane

NIOSH: Pocket Guide to Chemical Hazards - 1,1,2-Trichloro-1,2,2-trifluoroethane

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - 1,1,2-Trichloro-1,2,2-trifluoroethane. See annual publication for most recent information.
U.S. EPA Integrated Risk Information System: 1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113) (CASRN 76-13-1).
Clark, M.A., Jones, J.W., Robinson, J.J. and Lord, J.T.: Multiple deaths resulting from shipboard exposure to trichlorotrifluoroethane. J. Forensic Sci. 30(4): 1256-1259, 1985.
Kaufman, J.D., Silverstein, M.A. and Moure-Eraso, R.: Atrial fibrillation and sudden death related to occupational solvent exposure. Am. J. Ind. Med. 25(5): 731-735, 1994.
May, D.C. and Blotzer, M.J.: A report of occupational deaths attributed to fluorocarbon-113. Arch. Environ. Health 39(5): 352-354, 1984.
McGee, M.B., Meyer, R.F. and Jejurikar, S.G.: A death resulting from trichlorotrifluoroethane poisoning. J. Forensic Sci. 35(6): 1453-1460, 1990.
Pohanish, R.P. (editor): 1,1,2-Trichloro-1,2,2-Trifluoroethane. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 2. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 2263-2265.
Trochimowicz, H.J., Gusch, G.M., Chiu, T. and Wood, C.K.: Chronic inhalation toxicity/carcinogenicity study in rats exposed to fluorocarbon 113 (FC-113). Fundam. Appl. Toxicol. 11(1): 68-75, 1988.
Woollen, B.H., et al.: Human inhalation pharmacokinetics of 1,1,2-trichloro-1,2,2-trifluoroethane (FC113). Int. Arch. Occup. Environ. Health 62(1): 73-78, 1990.

Last Updated Date : 01/22/2024

1,1,2,2-TETRACHLORO-1,2-DIFLUOROETHANE†

Chemical Identification
CAS #	76-12-0
Formula	CCl₂FCCl₂F
Synonyms	Refrigerant 112; Halocarbon 112; 1,2-difluoro-1,1,2,2-tetrachloroethane; Freon112

Physical Properties
Physical description	Colorless solid or liquid (above 77°F) with a slight, ether-like odor.
Boiling point	199°F	Molecular weight	203.8
Freezing point/melting point	77°F	Vapor pressure	40 mmHg
Flash point		Vapor density
Specific gravity	1.65	Ionization potential	11.30 eV
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	2339
Sampling group
Sampler/Sampling media	CSC tube (100/50 mg) [SKC 226-01]
Sampling time^*
Sampling volume (TWA)^*	0.5-2 L
Sampling flow rate (TWA)^*	0.01-0.035 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-FID
Method reference	NIOSH 1016 (partially validated)
Notes
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device	Infrared spectrophotometer
Model/Type	Miran 1A & 1B
Sampling information (see manufacturer instructions)	0.5 ppm @ 9.8 µm

**Exposure Limits**
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA	500 ppm (4170 mg/m³)	REL-TWA	500 ppm (4170 mg/m³)	TLV-TWA	50 ppm [2007]	PEL-TWA	500 ppm (4170 mg/m³)
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	N	Skin notation	N	Skin notation	N	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-1.		Notes:		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	200 ppm
Carcinogenic classifications: Not listed		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - 1,1,2,2,-Tetrachloro-1,2-difluoroethane

NIOSH: Pocket Guide to Chemical Hazards - 1,1,2,2,-Tetrachloro-1,2-difluoroethane

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - 1,1,2,2-Tetrachloro-1,2-difluoroethane. See annual publication for most recent information.

Last Updated Date : 12/19/2018

HEPTACHLOR†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

BORON TRIFLUORIDE†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

SODIUM BISULFITE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

SILICA, AMORPHOUS INCLUDING NATURAL DIATOMACEOUS EARTH†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

CAMPHOR†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

PERCHLORYL FLUORIDE†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

CHLOROPENTAFLUOROETHANE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

DICHLOROTETRAFLUOROETHANE†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

1,1,2-TRICHLORO-1,2,2-TRIFLUOROETHANE (FREON 113)†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

1,1,2,2-TETRACHLORO-1,2-DIFLUOROETHANE†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References