76-11-9

Name 1,1-DIFLUOROTETRACHLOROETHANE
CAS 76-11-9
EINECS(EC#) 200-934-0
Molecular Formula C2Cl4F2
MDL Number MFCD00000798
Molecular Weight 203.83
MOL File 76-11-9.mol

Chemical Properties

Appearance Colorless liquids or solids with slight ethereal odor.
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
Fp  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
Specific Heat Capacity Cp(gas):0.605406J/(g·K),at 25℃
Henry's Law Constant 6.1×10-5 mol/(m3Pa) at 25℃, Duchowicz et al. (2020)
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).
Uses
Refrigerant.
NIST Chemistry Reference 1,1,1,2-Tetrachlorodifluoroethane(76-11-9)
EPA Substance Registry System Ethane, 1,1,1,2-tetrachloro-2,2-difluoro- (76-11-9)

Safety Data

Hazard Codes  N-Xi,Xi
Risk Statements 
Safety Statements 
OEB A
OEL TWA: 500 ppm (4170 mg/m3)
TSCA  TSCA listed
HS Code  29034520
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.
Hazardous Substances Data 76-11-9(Hazardous Substances Data)
Toxicity
LD50 oral in rat: > 8gm/kg
IDLA 2,000 ppm
IDLH 2,000 ppm

Raw materials And Preparation Products

Hazard Information

Supplier