SULFUR MONOCHLORIDE†
| Chemical Identification | |
|---|---|
| CAS # | 10025-67-9 |
| Formula |
Cl₂S₂ |
| Synonyms |
sulfur chloride; sulfur subchloride; thiosulfurous dichloride |
| Physical Properties | |||
|---|---|---|---|
| Physical description | Light-amber to yellow-red, oily liquid with a pungent, nauseating, irritating odor. | ||
| Boiling point | 280°F | Molecular weight | 135.03 |
| Freezing point/melting point | -112°F | Vapor pressure | 7 mmHg |
| Flash point | 245°F | Vapor density | |
| Specific gravity | 1.68 | Ionization potential | 9.40 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 4 | NFPA fire rating | 1 |
| NFPA reactivity rating | 2 | NFPA special instruction | W: Reacts violently or explosively with water. |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Monitoring Methods Used by OSHA | ||||||
|---|---|---|---|---|---|---|
| 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 | |
|---|---|
| Sampler/Sampling media | |
| Bulk Method |
|---|
| On-Site Screening Techniques | ||||||
|---|---|---|---|---|---|---|
| Device | ||||||
| Model/Type | ||||||
|
Sampling information (see manufacturer instructions) |
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| Exposure Limits | |||||||
|---|---|---|---|---|---|---|---|
|
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 |
1 ppm (6 mg/m³) |
REL-TWA | TLV-TWA | PEL-TWA | |||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C |
1 ppm (6 mg/m³) |
TLV-C |
1 ppm [1986] |
PEL-C |
1 ppm (6 mg/m³) |
|
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
| Notes: | Notes: | Notes: | Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
5 ppm |
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| Carcinogenic classifications: Not listed | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
| Additional Resources and Literature References |
|---|
|
NOAA: CAMEO Chemicals - Sulfur monochloride NIOSH: Pocket Guide to Chemical Hazards - Sulfur monochloride Literature References
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Last Updated Date : 01/12/2021