FORMAMIDE
| Chemical Identification | |
|---|---|
| CAS # | 75-12-7 |
| Formula |
CH₃NO |
| Synonyms |
carbamaldehyde; methanamide |
| Physical Properties | |||
|---|---|---|---|
| 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 | |||
| 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.
| Wipe Method | |
|---|---|
| Sampler/Sampling media |
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| Bulk Method |
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| On-Site Screening Techniques | ||||||
|---|---|---|---|---|---|---|
| Device | ||||||
| Model/Type | ||||||
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Sampling information (see manufacturer instructions) |
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| 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 |
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| PEL-TWA |
|
REL-TWA |
10 ppm (15 mg/m³) |
TLV-TWA |
10 ppm [1985] |
PEL-TWA |
10 ppm (18 mg/m³) |
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
|
PEL-STEL |
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| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
NA |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
|
Notes:
Not established |
Notes:
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Notes:
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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
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Last Updated Date : 12/29/2020