PHOSDRIN (MEVINPHOS)†
CAS # | 7786-34-7 |
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Formula |
C₇H₁₃O₆P |
Synonyms |
2-carbomethoxy-1-methylvinyl dimethyl phosphate; mevinphos [Note: Commercial product is a mixture of the cis-& trans-isomers.] |
Physical description | Pale-yellow to orange liquid with a weak odor. | ||
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Boiling point | 223-226°F at 1 mmHg | Molecular weight | 224.17 |
Freezing point/melting point | 44.4-70°F (trans-) 70°F (cis-) | Vapor pressure | 0.003 mmHg |
Flash point | 175°F | Vapor density | |
Specific gravity | 0.0029 mmHg at 70°F | 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.) | |||
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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 Sampler/Sampling media | |
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Bulk Method |
Device | |||||
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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 |
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PEL-TWA |
0.1 mg/m³ |
REL-TWA |
0.01 ppm (0.1 mg/m³) |
TLV-TWA |
0.01 mg/m³ (inhalable fraction and vapor) [1998] |
PEL-TWA |
0.01 ppm (0.1 mg/m³) |
PEL-STEL | REL-STEL |
0.03 ppm (0.3 mg/m³) |
TLV-STEL |
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PEL-STEL |
0.03 ppm (0.3 mg/m³) |
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PEL-C | REL-C |
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TLV-C |
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PEL-C |
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Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Notes: |
Notes:
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Notes:
BEI® |
Notes:
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Health factors: See NIH-NLM PubChem. | IDLH |
4 ppm |
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Carcinogenic classifications: TLV-A4 |
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 - Mevinphos NIOSH: Pocket Guide to Chemical Hazards - Phosdrin Literature References
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Last Updated Date : 01/29/2021