SULFUR MONOCHLORIDE†
Chemical Identification | |
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CAS # | 10025-67-9 |
Formula |
Cl₂S₂ |
Synonyms |
sulfur chloride; sulfur subchloride; thiosulfurous dichloride |
Physical Properties | |||
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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 | ||||||
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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 | |
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Sampler/Sampling media |
Bulk Method |
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On-Site Screening Techniques | ||||||
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Device | ||||||
Model/Type | ||||||
Sampling information (see manufacturer instructions) |
Exposure Limits | |||||||
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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) |
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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 |
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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