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ETHYLENE GLYCOL DINITRATE†

Chemical Identification
CAS #	628-96-6
Formula	O₂NOCH₂CH₂ONO₂
Synonyms	EGDN; 1,2-ethanediol dinitrate; ethylene dinitrate; ethylene nitrate; glycol dinitrate; nitroglycol

Physical Properties
Physical description	Colorless to yellow, oily, odorless liquid.
Boiling point	387°F	Molecular weight	152.1
Freezing point/melting point	-8°F	Vapor pressure	0.05 mmHg
Flash point	419°F	Vapor density
Specific gravity	1.49	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.)	1910
Sampling group
Sampler/Sampling media	Tenax® GC tube (100/50 mg) [Supelco 20832-U]
Sampling time^*	15 minute minimum
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	HPLC
Method reference	OSHA 43 (fully validated)
Notes	The sampling pump must be approved by NIOSH and/or MSHA as intrinsically safe for use in coal mines.
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	Detector tube
Model/Type	Dräger 6718201
Sampling information (see manufacturer instructions)	0.25 ppm 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		REL-TWA		TLV-TWA	0.05 ppm [1980]	PEL-TWA
PEL-STEL		REL-STEL	0.1 mg/m³	TLV-STEL		PEL-STEL	0.1 mg/m³
PEL-C	0.2 ppm (1 mg/m³)	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:		Notes:		Notes: [k]: A PEL of 0.05 ppm shall apply to exposures involving a mixture of ethylene glycol dinitrate and nitroglycerin.
Health factors: See NIH-NLM PubChem.		IDLH	75 mg/m³
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Ethylene glycol dinitrate

NIOSH: Pocket Guide to Chemical Hazards - Ethylene glycol dinitrate

Literature References

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

Last Updated Date : 12/28/2020

N-AMYL ACETATE (PENTYL ACETATE)†

Chemical Identification
CAS #	628-63-7
Formula	C₇H₁₄O₂
Synonyms	pentyl acetate; amyl acetic ester; amyl acetic ether; 1-pentanol acetate; pentyl ester of acetic acid; primary amyl acetate

Physical Properties
Physical description	Colorless liquid with a persistent banana-like odor.
Boiling point	295°F	Molecular weight	130.2
Freezing point/melting point	-95°F	Vapor pressure	5.17 mmHg
Flash point	91°F (n-), 106°F (all isomers), 69°F (iso-)	Vapor density
Specific gravity	0.88	Ionization potential
Lower explosive limit (LEL)	1.1%	Upper explosive limit (UEL)	7.5%
NFPA health rating	1	NFPA fire rating	3
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.)	0190
Sampling group
Sampler/Sampling media	CSC tube (100/50 mg) [SKC 226-01]
Sampling time^*	240 min
Sampling volume (TWA)^*	24 L
Sampling flow rate (TWA)^*	0.1 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-FID
Method reference	OSHA PV2142 (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	Detector tube
Model/Type	Gastec 147
Sampling information (see manufacturer instructions)	4 min per pump stroke, 2-200 ppm range, uncertainty 15% (10-50 ppm), 10% (50-200 ppm)

**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	100 ppm (525 mg/m³)	REL-TWA	100 ppm (525 mg/m³)	TLV-TWA		PEL-TWA	50 ppm (266 mg/m³)
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL	100 ppm (532 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: Visit the ACGIH TLV site for specific data		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	1000 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 - N-Amyl acetate

NIOSH: Pocket Guide to Chemical Hazards - n-Amyl acetate

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Pentyl acetate, all isomers. See annual publication for most recent information.
Alarie, Y.: Dose-response analysis in animal studies: prediction of human responses. Environ. Health Perspect. 42: 9-13, 1981.
Gill, M.W., Tyler, T.R. and Beyrouty, P.C.: Subchronic inhalation neurotoxicity study of amyl acetate in rats. J. Appl. Toxicol. 20(6): 463-469, 2000.
Pohanish, R.P. (editor): Amyl Acetates. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 199-201.

Last Updated Date : 03/29/2024

N-NITROSODIMETHYLAMINE‡

Chemical Identification
CAS #	62-75-9
Formula	C₂H₆N₂O
Synonyms	dimethylnitrosamine; N,N-dimethylnitrosamine; DMNA; N-methyl-N-nitroso-methanamine; NDMA; N-nitroso-N,N-dimethylamine, nitrosodimethylamine

Physical Properties
Physical description	Yellow, oily liquid with a faint characteristic odor.
Boiling point	306°F	Molecular weight	74.1
Freezing point/melting point		Vapor pressure	3 mmHg
Flash point	142°F	Vapor density	2.56
Specific gravity	1.005	Ionization potential	8.69 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.)	1942
Sampling group
Sampler/Sampling media	ThermoSorb/N air sampler [No longer available]
Sampling time^*	75 min
Sampling volume (TWA)^*	75 L
Sampling flow rate (TWA)^*	1 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-TEA
Method reference	OSHA 27 (fully validated)
Notes	This media is no longer available. OSHA staff please contact the SLTC prior to sampling at (801) 233-5100.
Special requirements	Store samples in freezer.

^* 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		REL-C		TLV-C		PEL-C
Skin notation	N	Skin notation	N	Skin notation	Y	Skin notation	N
Notes: See 29 CFR 1910.1016, N-Nitrosodimethylamine (requirements identical to29 CFR 1910.1003, 13 Carcinogens).		Notes: CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens.		Notes: Exposure by all routes should be carefully controlled to levels as low as possible. [1992]		Notes: See California Code of Regulations, Title 8, Section 5209. Carcinogens.
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications: IARC-2A, NIOSH-Ca, NTP-R, OSHA-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 - N-Nitrosodimethylamine

NIOSH: Pocket Guide to Chemical Hazards - N-Nitrosodimethylamine

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - N-Nitrosodimethylamine. See annual publication for most recent information.
EPA Air Toxics Website: N-Nitrosodimethylamine. U.S. Environmental Protection Agency Technology Transfer Network.
Agency for Toxic Substances and Disease Registry (ATSDR): Toxicological Profile for N-nitrosodimethylamine. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service, 1989.
California Department of Health Services: NDMA and Other Nitrosamines - Drinking Water Issues.
Choi, J. and Valentine, R.L.: Formation of N-nitrosodimethylamine (NDMA) from reaction of monochloramine: a new disinfection by-product. Water Res. 36(4): 817,824, 2002.
Lin, H.L., Parsels, L.A., Maybaum, J. and Hollenberg, P.F.: N-Nitrosodimethylamine-mediated cytotoxicity in a cell line expressing P450 2E1: evidence for apoptic cell death. Toxicol. Appl. Pharmacol. 157(2): 117-124, 1999.
Mitch, W.A., Gerecke, A.C. and Sedlak, D.L.: A N-nitrosodimethylamine precursor analysis for chlorination of water and wastewater. Water Res. 37(15): 3733-3741, 2003.
Niot-Mansart, V., Muhamedi, A. and Arnould, J.P.: A competitive ELISA detecting 7-methylguanosine adduct induced by N-nitrosodimethylamine exposure. Hum. Exp. Toxicol. 24(2): 89-94, 2005.
No Author: Nitrosamines, 15 Listings. Report on Carcinogens (latest edition); U.S. Department of Health and Human Services, Public Health Service, National Toxicology Program.
Oury, B., Limasset, J.C. and Protois, J.C.: Assessment of exposure to carcinogenic N-nitrosamines in the rubber industry. Int. Arch. Occup. Environ. Health 70(4): 261-271, 1997.
Pohanish, R.P. (editor): N-Nitrosodimethylamine. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 2. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 1731-1733.
Siddiqui, M. and Atasi, K.Z.: N-Nitrosodimethylamine: a disinfectant byproduct and its occurrence in wastewater. Water Environ. Res. 76(4): 316-326, 2004.
Straif, K., et al.: Exposure to high concentrations of nitrosamines and cancer mortality among a cohort of rubber workers. Occup. Environ. Med. 57(3): 180-187, 2000.

Last Updated Date : 01/22/2024

SODIUM FLUOROACETATE†

Chemical Identification
CAS #	62-74-8
Formula	C₂H₃FO₂.Na
Synonyms	SFA; sodium monofluoroacetate

Physical Properties
Physical description	Fluffy, colorless to white (sometimes dyed black), odorless powder.
Boiling point	decomposes	Molecular weight	100.02
Freezing point/melting point	392°F (decomposes)	Vapor pressure	low
Flash point		Vapor density
Specific gravity	>1	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating	4	NFPA fire rating	0
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.)
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	0.05 mg/m³	REL-TWA	0.05 mg/m³	TLV-TWA	0.05 mg/m³ [1992]	PEL-TWA	0.05 mg/m³
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL	0.15 mg/m³
PEL-C		REL-C	0.15 mg/m³	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:		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	2.5 mg/m³
Carcinogenic classifications: Not listed		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Sodium fluoroacetate

NIOSH: Pocket Guide to Chemical Hazards - Sodium fluoroacetate

Literature References

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

Last Updated Date : 01/28/2021

DICHLORVOS (DDVP)†

Chemical Identification
CAS #	62-73-7
Formula	C₄H₇Cl₂O₄P
Synonyms	DDVP; 2,2-dichlorovinyl dimethyl phosphate

Physical Properties
Physical description	Colorless to amber liquid with a mild, chemical odor.
Boiling point	284°F at 20 mmHg	Molecular weight	221
Freezing point/melting point	183°F	Vapor pressure	0.01 mmHg
Flash point	>175°F	Vapor density
Specific gravity	1.42	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating	3	NFPA fire rating	1
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	0850
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^*	480 min
Sampling volume (TWA)^*	480 L
Sampling flow rate (TWA)^*	1 L/min
Sampling volume (STEL/Peak/C)^*	15 L
Sampling flow rate (STEL/Peak/C)^*	1 L/min
Analytical method instruments	GC-FPD
Method reference	OSHA 62 (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	Wipe with GFF (37 mm), Type A/E [AP4003705]
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	1 mg/m³	REL-TWA	1 mg/m³	TLV-TWA	0.1 mg/m³ (inhalable fraction and vapor) [1998]	PEL-TWA	0.1 ppm (1 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:		Notes: dermal sensitizer (DSEN)		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	100 mg/m³
Carcinogenic classifications: IARC-2B, TLV-A4,EPA-B2		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Dichlorvos

NIOSH: Pocket Guide to Chemical Hazards - Dichlorvos

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Dichlorvos. See annual publication for most recent information.
EPA Air Toxics Website: Dichlorvos. U.S. Environmental Protection Agency Technology Transfer Network, Feb. 13, 2003.
Bryant, D.H.: Asthma due to insecticide sensitivity. Aust. N.Z. J. Med. 15(1): 66-68, 1985.
Deschamps, D., Questel, F., Baud, F.J., Gervais, P. and Dally, S.: Persistent asthma after acute inhalation of organophosphate insecticide. Lancet 344(8938): 1712, 1994.
Mason, H.J.: The recovery of plasma cholinesterase and erythrocyte acetylcholinesterase activity in workers after over-exposure to dichlorvos. Occup. Med. (Lond.) 50(5): 343-347, 2000.
Pohanish, R.P. (editor): Dichlorvos. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 844-846.
Sevim, S., Aktekin, M., Dogu, O., Ozturk, H. and Ertas, M.: Late onset polyneuropathy due to organophosphate (DDVP) intoxication. Can. J. Neurol. Sci. 30(1): 75-78, 2003.
Vasconcellos, L.F. Leite, A.C. and Nascimento, O.J.: Organophosphate-induced delayed neuropathy: case report. Arq. Neuropsiquiatr. 60(4): 1003-1007, 2002.

Last Updated Date : 12/22/2020

SEC-AMYL ACETATE†

Chemical Identification
CAS #	626-38-0
Formula	C₇H₁₄O₂
Synonyms	1-methylbutyl acetate; 2-pentanol acetate; 2-pentyl ester of acetic acid

Physical Properties
Physical description	Colorless liquid with a mild odor.
Boiling point	271°F	Molecular weight	130.2
Freezing point/melting point	-95.44°F	Vapor pressure	7 mmHg
Flash point	89°F	Vapor density
Specific gravity	0.87	Ionization potential
Lower explosive limit (LEL)	1%	Upper explosive limit (UEL)	7.5%
NFPA health rating	1	NFPA fire rating	3
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.)	0191
Sampling group
Sampler/Sampling media	CSC tube (100/50 mg) [SKC 226-01]
Sampling time^*
Sampling volume (TWA)^*	10 L
Sampling flow rate (TWA)^*	0.2 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-FID
Method reference	NIOSH 1450 (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	125 ppm (650 mg/m³)	REL-TWA	125 ppm (650 mg/m³)	TLV-TWA		PEL-TWA	50 ppm (266 mg/m³)
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL	100 ppm (532 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: Visit the ACGIH TLV site for specific data		Notes: as Pentyl acetate
Health factors: See NIH-NLM PubChem.		IDLH	1000 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 - Sec-Amyl acetate

NIOSH: Pocket Guide to Chemical Hazards - Sec-Amyl acetate

Literature References

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

Last Updated Date : 03/29/2024

M-PHTHALODINITRILE

Chemical Identification
CAS #	626-17-5
Formula	C₆H₄(CN)₂
Synonyms	1,3-benzenedicarbonitrile; m-dicyanobenzene; 1,3-dicyanobenzene; isophthalodinitrile; m-PDN

Physical Properties
Physical description	Needle-like, colorless to white, crystalline, flaky solid with an almond-like odor.
Boiling point	Sublimes	Molecular weight	128.1
Freezing point/melting point	324°F (sublimes)	Vapor pressure	0.01 mmHg
Flash point		Vapor density
Specific gravity	4.42	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.)
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	5 mg/m³	TLV-TWA	5 mg/m³ (inhalable fraction and vapor) [2008]	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: Not listed		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - M-Phthalodinitrile

NIOSH: Pocket Guide to Chemical Hazards - M-Phthalodinitrile

Literature References

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

Last Updated Date : 01/05/2021

THIOUREA

Chemical Identification
CAS #	62-56-6
Formula	CH₄N₂S
Synonyms	thiocarbamide; isothiourea; sulourea; 2-thiourea

Physical Properties
Physical description	White or off-white crystals or powder.
Boiling point	Sublimes in vacuum at 302-320°F	Molecular weight	76.12
Freezing point/melting point	349-352°F	Vapor pressure
Flash point		Vapor density
Specific gravity	1.405 at 68°F	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.)	T109
Sampling group
Sampler/Sampling media	GFF (37 mm), Type A/E [AP4003705]
Sampling time^*
Sampling volume (TWA)^*	480 L
Sampling flow rate (TWA)^*	2 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	HPLC-UV
Method reference	OSHA PV2059 (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		REL-TWA		TLV-TWA		PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	NA	Skin notation	NA
Notes: Not established		Notes: Not established		Notes: Not established		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications: IARC-3, NTP-R		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Thiourea

NIOSH: Pocket Guide to Chemical Hazards - Thiourea

Literature References

Last Updated Date : 01/13/2021

ANILINE†

Chemical Identification
CAS #	62-53-3
Formula	C₆H₇N
Synonyms	aminobenzene; aniline oil; benzenamine; phenylamine

Physical Properties
Physical description	Colorless to brown, oily liquid with an aromatic amine-like odor.
Boiling point	363°F	Molecular weight	93.1
Freezing point/melting point	21°F	Vapor pressure	0.6 mmHg
Flash point	158°F	Vapor density	3.22
Specific gravity	1.02	Ionization potential	7.70 eV
Lower explosive limit (LEL)	1.3%	Upper explosive limit (UEL)	11%
NFPA health rating	3	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.)	0220
Sampling group
Sampler/Sampling media	XAD-7 (80/40 mg sections, 20/60 mesh) coated with 10% phosphoric acid [SKC 226-98]
Sampling time^*	150 min
Sampling volume (TWA)^*	30 L
Sampling flow rate (TWA)^*	0.2 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-FID
Method reference	OSHA PV2079 (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	Wipe with GFF (37 mm), Type A/E [AP4003705]
Bulk Method

On-Site Screening Techniques
Device	Detector tube	Detector tube	Detector Tube
Model/Type	Dräger - Aniline 0.5/a, 6733171	Gastec 181	Matheson-Kitagawa 8014-181S
Sampling information (see manufacturer instructions)	20 strokes, approx 0.2-10 ppm	2-5 strokes, 0.25-60 ppm range, uncertainty 16% for 2.5 to 10 ppm, 8% for 10 to 30 ppm	1-2 strokes, approx 0.5-30 ppm 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	5 ppm (19 mg/m³)	REL-TWA		TLV-TWA		PEL-TWA	2 ppm (7.6 mg/m³)
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	Y	Skin notation	N	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.		Notes: Visit the ACGIH TLV site for specific data BEI®		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	100 ppm
Carcinogenic classifications: EPA-B2, IARC-3, NIOSH-Ca, TLV-A3		Notes: Ca
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Aniline

NIOSH: Pocket Guide to Chemical Hazards - Aniline

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Aniline. See annual publication for most recent information.
Klotz, U. and Ammon, E.: Clinical and toxicological consequences of the inductive potential of ethanol. Eur. J. Clin. Pharmacol. 54(1): 7-12, 1998.
Pohanish, R.P. (editor): Aniline. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 207-210.

Last Updated Date : 03/29/2024

1,1-DIMETHYLPROPYLACETATE

Chemical Identification
CAS #	625-16-1
Formula	C₇H₁₄O₂
Synonyms	tert-amyl acetate; pentylacetate

Physical Properties
Physical description	Colorless to yellow watery liquid with a weak odor of bananas.
Boiling point	256.5°F	Molecular weight	130.18
Freezing point/melting point	>-148°F	Vapor pressure
Flash point	79°F	Vapor density
Specific gravity	0.874 at 66.2°F	Ionization potential
Lower explosive limit (LEL)	1%	Upper explosive limit (UEL)	7.5%
NFPA health rating	1	NFPA fire rating	3
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.)
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		TLV-TWA	50 ppm [1997]	PEL-TWA	50 ppm (266 mg/m³)
PEL-STEL		REL-STEL		TLV-STEL	100 ppm [1997]	PEL-STEL	100 ppm 532 (mg/m³)
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	N	Skin notation	N
Notes: Not established		Notes: Not established		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 - Tert-amyl acetate

NIOSH: Pocket Guide to Chemical Hazards - Tert-amyl acetate

Literature References

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

Last Updated Date : 12/14/2020

ETHYLENE GLYCOL DINITRATE†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

N-AMYL ACETATE (PENTYL ACETATE)†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

N-NITROSODIMETHYLAMINE‡

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

SODIUM FLUOROACETATE†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

DICHLORVOS (DDVP)†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

SEC-AMYL ACETATE†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

M-PHTHALODINITRILE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

THIOUREA

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References

ANILINE†

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-DIMETHYLPROPYLACETATE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References