1,1,1,2-Tetrafluoroethane
Agent Name
1,1,1,2-Tetrafluoroethane
Alternative Name
Norflurane
CAS Number
811-97-2
Formula
C2-H2-F4
Major Category
Solvents
Synonyms
1,1,1,2-Tetrafluorethan; 1,1,1,2-Tetrafluoroethane; 1,2,2,2-Tetrafluoroethane; Arcton 134a; F 134a; FC 134a; Fron 134a; HCFC 134a; HFA 134a; HFC 134a; Khladon 134a; Norflurane; Norflurano [INN-Spanish]; Norfluranum [INN-Latin]; R 134a; Refrigerant R134a; TG 134a; [ChemIDplus] UN3159
Category
Chlorofluorocarbons
Description
Compressed liquefied gas; [ICSC] Slight ethereal odor; [CAMEO]
Sources/Uses
Used as a refrigerant, pharmaceutical propellant, and blowing agent for foams; [Merck Index #4714] Used to replace dichlorodifluoromethane as a refrigerant; [HSDB]
Comments
Evaporating liquid can cause frostbite; Inhalation of high concentrations can cause CNS depression and cardiac arrhythmias; [ICSC]
Biomedical References
Exposure Assessment
MAK
1000 ppm
Lethal Concentration
LC50 (rat) >500,000 ppm/4H; [Merck Index]
Explanatory Notes
bp = -26.15 deg C; [Merck Index]
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: