Sulfur monochloride

Agent Name
Sulfur monochloride
CAS Number
10025-67-9
Formula
Cl2-S2
Major Category
Toxic Gases & Vapors
Sulfur monochloride formula graphical representation
Synonyms
Chlorosulfane; Disulfur dichloride; Siarki chlorek [Polish]; Sulfur chloride; Sulfur chloride (di); Sulfur subchloride; Thiosulfurous dichloride; [ChemIDplus] UN1828
Category
Other Toxic Gases & Vapors
Description
Light-amber to yellow-red, oily liquid with a pungent, nauseating, irritating odor; [NIOSH]
Sources/Uses
". . . used in vulcanizing rubber, chemical synthesis, wood hardening, textile finishing, and gold extraction." [ACGIH]
Comments
Highly corrosive to skin; [Quick CPC] Liquid causes second or third degree burns after short contact; [CHRIS] Sulfur monochloride is a respiratory irritant with a nauseating odor; it hydrolyzes into HCl and SO2. [ACGIH] "Tear drawing." A corrosive substance that can cause pulmonary edema; [ICSC] Sulfur chlorides release HCl, SO2, and H2S when spilled in water; [ERG 2016]
Biomedical References

Exposure Assessment

Skin Designation (ACGIH)
Insufficient data
TIH
Yes
Dangerous When Wet
Yes
Ceiling (ACGIH)
1 ppm
PEL (OSHA)
1 ppm
IDLH (NIOSH)
5 ppm
Excerpts from Documentation for IDLHs
Other animal data: It has been reported that cats have tolerated 15­minute exposures to 12 ppm, while 48 ppm could lead to death after a few days [Flury and Zernik 1931].
Vapor Pressure
7 mm Hg
Lethal Concentration
LC50 (rat) = 2,500 mg/m3/4H
Explanatory Notes
Flash point = 245 deg F; Some “Water Reactive Materials” are also TIH materials themselves: Sulfur chlorides; [ERG 2016] VP = 10 mm Hg at 27.5 deg C; [HSDB]
NFPA
must be preheated

Adverse Effects

Lachrymator
Yes
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent:

Processes