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FORMAMIDE
| CAS # | 75-12-7 |
|---|---|
| Formula |
CH₃NO |
| Synonyms |
carbamaldehyde; methanamide |
| Physical description | Colorless, oily liquid with a light ammonia-like odor. | ||
|---|---|---|---|
| Boiling point | 411°F (decomposes) | Molecular weight | 45.04 |
| Freezing point/melting point | 37°F | Vapor pressure | 3 mmHg at 86°F, 760 mmHg at 410.9°F |
| Flash point | 310°F (open-cup) | Vapor density | 1.56 |
| Specific gravity | 1.13 | Ionization potential | 10.20 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 2 | NFPA fire rating | 1 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 1292 | |
|---|---|---|
| Sampling group | ||
| Sampler/Sampling media | Silica gel tube (150/75 mg) [SKC 226-10] | |
| Sampling time* | 100 min TWA; 15 min STEL |
|
| Sampling volume (TWA)* | 10 L |
|
| Sampling flow rate (TWA)* | 0.1 L/min |
|
| Sampling volume (STEL/Peak/C)* | 1.5 L |
|
| Sampling flow rate (STEL/Peak/C)* | 0.1 L/min |
|
| Analytical method instruments | GC-FID | |
| 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.
| 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 |
20 ppm (30 mg/m3) |
REL-TWA |
10 ppm (15 mg/m³) |
TLV-TWA |
10 ppm [1985] |
PEL-TWA |
10 ppm (18 mg/m³) |
| PEL-STEL |
30 ppm (45 mg/m3) |
REL-STEL |
|
TLV-STEL |
|
PEL-STEL |
|
| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
NA |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
|
Notes:
Not established |
Notes:
|
Notes:
|
Notes:
|
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| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: Not listed |
Notes:
|
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|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Formamide NIOSH: Pocket Guide to Chemical Hazards - Formamide Literature References
|
Last Updated Date : 10/28/2024