Agent Name

Sulfuryl chloride

CAS Number

7791-25-5

Formula

Cl2-O2-S

Major Category

Toxic Gases & Vapors

Synonyms

Sulfonyl chloride; Sulfonyl dichloride; Sulfur oxychloride (SO2Cl2); Sulfuric dichloride; Sulfuric oxychloride; Sulfuryl dichloride; Sulphuryl chloride; Sulphuryl dichloride; [ChemIDplus] UN1834

Category

Acid Halides

Description

Colorless to yellow liquid with a pungent odor; [ICSC]

Sources/Uses

Used as a chemical intermediate and to make shrink-resistant wool; [HSDB] A basic chemical used to make intermediates for various industries and in hermetically sealed high power batteries with specialized applications; [Reference #1]

Comments

Corrosive to skin; [Quick CPC] High inhalation exposure may induce pneumonitis and pulmonary edema; [ICSC] Sulfuryl chloride release HCl when spilled in water; [ERG 2012] "Even the vapors are corrosive to human skin and mucous membranes." Slowly decomposed by water producing sulfuric and hydrochloric acids; [Merck Index] Reacts violently with water and is slowly hydrolyzed by moist air producing chlorosulfonic, sulfuric, and hydrochloric acids; Reports of delayed onset pulmonary edema in humans following inhalation exposure; [Reference #1] A lachrymator; [CHEMINFO]

Reference Link

OECD SIDS: Sulfuryl chloride - 2002

Exposure Assessment
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]

Vapor Pressure

140 mm Hg

Lethal Concentration

LC50 (rat) = 159 ppm/4hr

Explanatory Notes

LC50 (rat) = 878 mg/m3/4hr; [Reference #1]

Reference Link

ICSC: Sulphuryl chloride

Adverse Effects
Lacrimator

Yes

Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: