Agent Name

Trifluoromethanesulfonic anhydride

CAS Number

358-23-6

Formula

C2-F6-O5-S2

Major Category

Other Classes

Synonyms

Methanesulfonic acid, 1,1,1-trifluoro-, 1,1'-anhydride; Methanesulfonic acid, trifluoro-, anhydride; Trifluoromethanesulphonic anhydride; [ChemIDplus] 1,1,1-Trifluoromethanesulfonic acid 1,1'-anhydride; Triflate anhydride; Triflic anhydride; [Merck Index] UN3265

Category

Acid Anhydrides, Other

Description

Colorless hygroscopic liquid; [Merck Index] Clear colorless liquid; [Sigma-Aldrich MSDS]

Sources/Uses

Used as a reagent in synthetic organic chemistry; [Merck Index]

Comments

Reacts violently with water; Corrosive; [Merck Index] Reacts violently with water; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion; [Sigma-Aldrich MSDS] See "Trifluoromethanesulfonic acid."

Exposure Assessment
Vapor Pressure

8 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Corrosive liquid, acidic, organic, n.o.s."

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Other Information

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