1,1,1-Trifluoroethane
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]
Biomedical References
Exposure Assessment
Lethal Concentration
LC50 (rat) > 540,000 ppm/4h
WEEL
1000 ppm
Adverse Effects
Neurotoxin
Acute solvent syndrome
Other Poison
Simple Asphyxiant
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: