Agent Name

Pyrosulfuryl chloride

CAS Number

7791-27-7

Formula

Cl2-O5-S2

Major Category

Toxic Gases & Vapors

Synonyms

Chlorosulfonic anhydride; Disulfur pentoxydichloride; Disulfuryl chloride; Sulfur pentoxydichloride; [ChemIDplus] UN1817

Category

Other Toxic Gases & Vapors

Description

Colorless fuming liquid; Very refractive; [Hawley]

Sources/Uses

Used for organic synthesis; [Hawley]

Comments

Violently decomposed by water forming sulfuric acid and hydrochloric acid; Corrosive to tissue; [Hawley] Reacts violently with moisture producing sulfuric acid and hydrochloric acid; An eye and mucous membrane irritant; Corrosive to tissue; [CAMEO]

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

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