EPN†
| CAS # | 2104-64-5 |
|---|---|
| Formula |
C₁₄H₁₄NO₄PS |
| Synonyms |
ethyl p-nitrophenyl benzenethionophosphonate; o-ethyl o-(4-nitrophenyl) phenylphosphonothioate |
| Physical description | Yellow solid with an aromatic odor. | ||
|---|---|---|---|
| Boiling point | Molecular weight | 323.3 | |
| Freezing point/melting point | 97°F | Vapor pressure | 0.0003 mmHg |
| Flash point | Vapor density | ||
| Specific gravity | 1.27 | 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 |
0.5 mg/m³ |
REL-TWA |
0.5 mg/m³ |
TLV-TWA |
0.1 mg/m³ (inhalable fraction and vapor) [2000] |
PEL-TWA |
0.1 mg/m³ |
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
|
PEL-STEL |
|
| 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:
|
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| Health factors: See NIH-NLM PubChem. | IDLH |
5 mg/m³ |
|||||
| 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 - EPN NIOSH: Pocket Guide to Chemical Hazards - EPN Literature References
|
Last Updated Date : 12/28/2020