Agent Name

4,4'-Oxybis(benzenesulfonyl chloride)

CAS Number

121-63-1

Formula

C12-H8-Cl2-O5-S2

Major Category

Toxic Gases & Vapors

Synonyms

4,4'-Oxybenzenesulfonylchloride; 4,4'-Oxydibenzenesulfonyl chloride; Benzenesulfonyl chloride, 4,4'-oxybis-; Benzenesulfonyl chloride, 4,4'-oxydi-; Bis(4-chlorosulfonylphenyl) ether; Diphenyl ether 4,4'-disulfonyl chloride; Oxybis(4-benzenesulfonyl chloride); Oxybis(benzenesulfonyl chloride); Phenoxybenzene-4,4'-disulfonyl chloride; p,p'-Oxybis(benzenesulfonyl chloride); [ChemIDplus] UN3261

Category

Acid Halides

Description

White solid; Reacts with water; [MSDSonline]

Sources/Uses

Used as a chemical intermediate (e.g., for polyarylsulfones and its dihydrazide derivative); [HSDB]

Comments

A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; [MSDSonline] See "Diphenyl ether."

Exposure Assessment
Explanatory Notes

mp = 124-127 deg C; [MSDSonline] The Guide in the Emergency Response Guidebook is for "Corrosive solid, acidic, organic, n.o.s."

Adverse Effects
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
Other Information

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