VINYLIDENE FLUORIDE
Chemical Identification | |
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CAS # | 75-38-7 |
Formula |
C₂H₂F₂ |
Synonyms |
difluoro-1,1-ethylene; 1,1-difluoroethene; 1,1-difluoroethylene; Halocarbon 1132A; VDF; vinylidene difluoride |
Physical Properties | |||
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Physical description | Colorless gas with a faint, ethereal odor. | ||
Boiling point | -123°F | Molecular weight | 64.04 |
Freezing point/melting point | -227°F | Vapor pressure | 35.2 atm |
Flash point | Vapor density | 2.21 | |
Specific gravity | 0.617 at 75°F | Ionization potential | 10.29 eV |
Lower explosive limit (LEL) | 5.5% | Upper explosive limit (UEL) | 21.3% |
NFPA health rating | 1 | NFPA fire rating | 4 |
NFPA reactivity rating | 2 | 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 |
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 | REL-TWA |
1 ppm |
TLV-TWA |
500 ppm [1996] |
PEL-TWA |
100 ppm (262 mg/m³) |
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PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
PEL-C | REL-C |
5 ppm [15 minutes] |
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: IARC-3, TLV-A4 | Notes: | ||||||
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: |
Additional Resources and Literature References |
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NOAA: CAMEO Chemicals - 1,1-Difluoroethylene NIOSH: Pocket Guide to Chemical Hazards - Vinylidene fluoride Literature References
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Last Updated Date : 01/14/2021