Agent Name

Sulfur monochloride

CAS Number

10025-67-9

Formula

Cl2-S2

Major Category

Toxic Gases & Vapors

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]

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

TIH

Yes

Dangerous When Wet

Yes - A material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour; [ERG 2004]

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]

Adverse Effects
Lacrimator

Yes

Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
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Diseases

Occupational diseases associated with exposure to this agent:

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