Agent Name

Hexafluoro-2-butyne

CAS Number

692-50-2

Formula

C4-F6

Major Category

Other Classes

Synonyms

1,1,1,4,4,4-Hexafluoro-2-butyne; Bis(trifluoromethyl)acetylene; Butyne 06; Perfluoro-2-butyne; 1,1,1,4,4,4-Hexafluorobut-2-yne; 2-Butyne, 1,1,1,4,4,4-hexafluoro-; 2-Butyne, hexafluoro- (6CI,7CI); [ChemIDplus] UN3160

Category

Halogenated Aliphatics, Unsaturated

Description

Colorless liquefied gas; [Alfa Aesar MSDS]

Comments

Causes ptosis, dyspnea, and lung changes in inhalation lethal-concentration studies of rats; Oral lethal-dose (rat) > 164 mg/kg; [RTECS] Highly toxic by inhalation; Toxic by ingestion; [Alfa Aesar MSDS] See "1,4-Dichloro-2-butyne." See "Dichloroacetylene." See "1,4-Dichloro-2-butene."

Exposure Assessment
TIH

Yes

Lethal Concentration

LC50 (rat) = 81 ppm/4hr

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Liquefied gas, toxic, flammable, n.o.s."

Links to Other NLM Databases
Toxicity Information

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Other Information

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