DEMETON (SYSTOX)†
| CAS # | 8065-48-3 |
|---|---|
| Formula |
C₈H₁₉O₃PS₂.C₈H₁₉O₃PS₂ |
| Synonyms |
o-o-diethyl-o(and S)-2-(ethylthio)ethyl phosphorothioate mixture; Systox; Mercaptophos |
| Physical description | Amber, oily liquid with a sulfur-like odor. | ||
|---|---|---|---|
| Boiling point | decomposes | Molecular weight | 258.3 |
| Freezing point/melting point | -13°F | Vapor pressure | 0.0003 mmHg |
| Flash point | 113°F | Vapor density | heavier than air |
| Specific gravity | 1.12 | Ionization potential | |
| Lower explosive limit (LEL) | 1% | Upper explosive limit (UEL) | 5.3% |
| 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 |
0.1 mg/m³ |
TLV-TWA |
0.05 mg/m³ (inhalable fraction and vapor) [1998] |
PEL-TWA |
0.01 ppm (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: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
10 mg/m³ |
|||||
| Carcinogenic classifications: Not listed | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Demeton NIOSH: Pocket Guide to Chemical Hazards - Demeton Literature References
|
Last Updated Date : 12/22/2020