1,1-DIFLUOROTETRACHLOROETHANE Chemical Properties

Melting point:

39-44 °C

Boiling point:

91-91 °C

Density 

1.64

vapor pressure 

40 at 20 °C (NIOSH, 1997)

refractive index 

1.4046

Flash point:

90-92°C

storage temp. 

Refrigerator (+4°C)

solubility 

Soluble in alcohol, ether, and chloroform (Weast, 1986)

color 

Colorless solid with a faint ether-like odor

Exposure limits

NIOSH REL: TWA 500 ppm (4,170 mg/m³), IDLH 2,000 ppm; OSHA PEL: TWA 500 ppm; ACGIH TLV: TWA 500 ppm (adopted).

NIST Chemistry Reference

1,1,1,2-Tetrachlorodifluoroethane(76-11-9)

EPA Substance Registry System

CFC-112a (76-11-9)

Safety Information

Hazard Codes 

N-Xi,Xi

Risk Statements 

59-36/37/38

Safety Statements 

59-37/39-26

HS Code 

29034520

Hazardous Substances Data

76-11-9(Hazardous Substances Data)

Toxicity

LD50 oral in rat: > 8gm/kg

IDLA

2,000 ppm

MSDS

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1,1-DIFLUOROTETRACHLOROETHANE Usage And Synthesis

Chemical Properties

colorless crystalline solid

Chemical Properties

Colorless liquids or solids with slight ethereal odor.

Uses

Refrigerant.

General Description

Colorless solid with a slight, ether-like odor. [Mp: 40.6°C; bp: 91.5°C.

Reactivity Profile

1,1-DIFLUOROTETRACHLOROETHANE is non-flammable. Incompatible with active metals such as potassium, sodium, beryllium, powdered aluminum, zinc, magnesium, and calcium. Reacts with acids.

Hazard

Central nervous system impairment, liver and kidney damage.

Safety Profile

Mildly toxic by inhalation. When heated to decomposition it emits very toxic fumes of Cland F-. Used as a refrigerant. See also FLUORIDES.

Potential Exposure

Used as a refrigerant, corrosion inhibitor; and blowing agent; making plastics. 1,1,2,2-is used as a refrigerant, a solvent extractant; and in the dry cleaning industry.

Shipping

UN1078 Refrigerant gases, n.o.s., Hazard Class: 2.2; Labels: 2.2-Nonflammable compressed gas, Technical Name Required

Incompatibilities

Acids and chemically active metals, such as potassium, beryllium, powdered aluminum; zinc, calcium, magnesium, and sodium.

1,1-DIFLUOROTETRACHLOROETHANE(76-11-9)Related Product Information

• 1,1-Dichloroethane
• Chlorofluoromethane
• 1,2-DICHLORO-1,1-DIFLUOROETHANE
• 1-Chloro-1,1-difluoroethane
• Difluorochloromethane
• 1,1-DIFLUORO-1,2,2-TRICHLOROETHANE
• 1-FLUORO-1,2,2-TRICHLOROETHANE
• Difluoroethane
• FLUOROETHANE
• ETHANE
• 1,2-DIFLUOROTETRACHLOROETHANE
• 1,1,1,2-TETRACHLOROETHANE
• Dichloromethane
• 1,2-Dichloroethane
• 1,1-DIFLUOROTETRACHLOROETHANE
• 1-CHLORO-1-FLUOROETHANE
• 1,1,1-Trichloroethane
• Chloroform