FORMAMIDE
Chemical Identification | |
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CAS # | 75-12-7 |
Formula |
CH₃NO |
Synonyms |
carbamaldehyde; methanamide |
Physical Properties | |||
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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 | ||||||
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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 | |
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Sampler/Sampling media |
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Bulk Method |
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On-Site Screening Techniques | ||||||
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Device | ||||||
Model/Type | ||||||
Sampling information (see manufacturer instructions) |
Exposure Limits | |||||||
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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 |
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REL-TWA |
10 ppm (15 mg/m³) |
TLV-TWA |
10 ppm [1985] |
PEL-TWA |
10 ppm (18 mg/m³) |
PEL-STEL |
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REL-STEL |
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TLV-STEL |
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PEL-STEL |
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PEL-C |
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REL-C |
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TLV-C |
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PEL-C |
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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 |
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NOAA: CAMEO Chemicals - Formamide NIOSH: Pocket Guide to Chemical Hazards - Formamide Literature References
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Last Updated Date : 12/29/2020