ROSIN CORE SOLDER PYROLYSIS PRODUCTS (as FORMALDEHYDE)
| CAS # | NO CAS |
|---|---|
| Formula |
CH₂O |
| Synonyms |
| Physical description | Colorless to white crystalline, odorless solid. | ||
|---|---|---|---|
| Boiling point | decomposes | Molecular weight | 309.1 |
| Freezing point/melting point | 473°F (decomposes) | Vapor pressure | depends on specific constituents |
| Flash point | Vapor density | ||
| Specific gravity | 1.7 | 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 | |||
| Analyte code (IMIS no.) | 2227 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | Coal Tar Pitch Volatiles (CTPV) Sampling Filters and Cassette [SLTC109] |
| Sampling time* |
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 | HPLC |
| Method reference | OSHA 58 (validated in conjunction with Coal Tar Pitch Volatiles and Coke Oven Emissions) |
| Notes |
After sampling, filter must be transferred to a vial with a Teflon-lined cap. Sample must be protected from direct sunlight. |
| Special requirements |
These media are prepared by SLTC as needed and are not available for immediate shipment. Please allow time for SLTC to prepare these media prior to sampling. |
* 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.
| Wipe Sampler/Sampling media | |
|---|---|
| Bulk Method |
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
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 |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA | REL-TWA |
0.1 mg/m³ |
TLV-TWA |
Exposure by all routes should be carefully controlled to levels as low as possible. [1992] |
PEL-TWA |
0.1 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:
Ca in the presence of formaldehyde, acetaldehyde, or malonaldehyde. REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens and Appendix C, Supplementary Exposure Limits (Aldehydes). |
Notes:
dermal sensitization (DSEN), respiratory sensitization (RSEN) |
Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: NIOSH-Ca (in presence of aldehydes noted) |
Notes:
Ca |
||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Not listed NIOSH: Pocket Guide to Chemical Hazards - Rosin core solder, pyrolysis products (as formaldehyde) Literature References
|
Last Updated Date : 01/29/2021