1,1-Difluorotetrachloroethane Structure

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
Specific Heat Capacity Cp(gas): 0.61 J/(g·K), at 25℃
Henry's Law Constant 6.1×10-5 mol/(m3Pa) at 25℃, Duchowicz et al. (2020)
Exposure limits ACGIH:TLV-TWA 100 ppm (834 mg/m3)
OSHA:PEL-TWA 500 ppm (4170 mg/m3)
NIOSH:REL-TWA 500 ppm
EWG's Food Scores 1
FDA UNII 76ZK8AK9CJ
NIST Chemistry Reference 1,1,1,2-Tetrachlorodifluoroethane(76-11-9)
EPA Substance Registry System CFC-112a (76-11-9)

Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H335-H319-H315
Precautionary statements P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
Hazard Codes  N-Xi,Xi
Risk Statements  59-36/37/38
Safety Statements  59-37/39-26
OEB A
OEL TWA: 500 ppm (4170 mg/m3)
TSCA  TSCA listed
HS Code  29034520
Hazardous Substances Data 76-11-9(Hazardous Substances Data)
Toxicity LD50 oral in rat: > 8gm/kg
IDLA 2,000 ppm
NFPA 704:
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