Agent Name

1,1-Dichloro-1-fluoroethane

CAS Number

1717-00-6

Formula

C2-H3-Cl2-F

Major Category

Solvents

Synonyms

CFC 141b; CFC-141; Freon-141; HCFC 141b; Isotron 141b; R 141b; Refrigerant 141b; Solkane 141b; Dichlorofluoroethane; Ethane, 1,1-dichloro-1-fluoro-; [ChemIDplus]

Category

Chlorofluorocarbons

Description

Colorless liquid; [HSDB] Colorless volatile liquid with a faint sweetish odor; bp = 32 deg C; [MSDSonline]

Sources/Uses

Used for foam blowing, cleaning solvent, and refrigerant gas; [HSDB] Used to degrease and to clean soldering flux from printed circuit boards; [AIHA]

Comments

"Vapors may cause dizziness or suffocation. Exposure in an enclosed area may be very harmful." [CAMEO] In confined space spill, may displace air and act as simple asphyxiant; Inhalation of high concentrations can cause CNS depression and cardiac arrhythmias; Defats the skin; [MSDSonline]

Exposure Assessment
WEEL

500 ppm, STEL = 3000 ppm (5 min.)

Vapor Pressure

600 mm Hg

Lethal Concentration

LC50 (rat) = 56,700 ppm/6hr

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: