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PHOSDRIN (MEVINPHOS)†
| CAS # | 7786-34-7 |
|---|---|
| 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. | ||
|---|---|---|---|
| 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.) | |||
|---|---|---|---|
| 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 | |
|---|---|
| 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 |
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 |
|
PEL-STEL |
0.03 ppm (0.3 mg/m³) |
|
| PEL-C | REL-C |
|
TLV-C |
|
PEL-C |
|
|
| Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
| Notes: |
Notes:
|
Notes:
BEI® |
Notes:
|
||||
| Health factors: See NIH-NLM PubChem. | IDLH |
4 ppm |
|||||
| Carcinogenic classifications: TLV-A4 |
Notes:
|
||||||
|
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
|
Last Updated Date : 01/29/2021