Agent Name

1,1,1-Trifluoroethane

CAS Number

420-46-2

Formula

C2-H3-F3

Major Category

Solvents

Synonyms

1,1,1-Trifluoroform; FC143a; Fluorocarbon FC143a; Methylfluoroform; R 143a; Ethane, 1,1,1-trifluoro-; [ChemIDplus] UN2035

Category

Chlorofluorocarbons

Description

A colorless, highly flammable gas; [CAMEO]

Comments

Evaporating liquid can cause frostbite; "Vapors may cause dizziness or asphyxiation without warning." [CAMEO] Evaporating liquid can cause frostbite; Inhalation of high concentrations can cause CNS depression and cardiac arrhythmias; In confined space spill, may displace air and act as simple asphyxiant; [MSDSonline]

Exposure Assessment
WEEL

1000 ppm

Lethal Concentration

LC50 (rat) > 540,000 ppm/4h

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

Other Poison

Simple Asphyxiant

Links to Other NLM Databases
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: