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Dichlorodifluoromethane Structure

Dichlorodifluoromethane

Chemical Properties

Melting point -158°C
Boiling point -29.79°C
Density  1.329
vapor pressure  4,306 at 20 °C (McConnell et al., 1975)
refractive index  1.2850
Flash point 11 °C
storage temp.  -20°C
solubility  Soluble in acetic acid, acetone, chloroform, ether (Weast, 1986), and ethanol (ITII, 1986)
form  buffered aqueous glycerol solution
color  Colorless gas with an ethereal odor
Water Solubility  Insoluble. 0.028 g/100 mL
Henry's Law Constant 1.72, 2.63, and 3.91 at 10, 20, and 30 °C, respectively (Munz and Roberts, 1987)
Exposure limits NIOSH REL: TWA 1,000 ppm (4,950 mg/m3), IDLH 15,000 ppm; OSHA PEL: TWA 1,000 ppm; ACGIH TLV: TWA 1,000 ppm (adopted).
Dielectric constant 2.4(21℃)
Stability Stable. Non-flammable. May react violently with aluminium.
InChIKey PXBRQCKWGAHEHS-UHFFFAOYSA-N
LogP 2.160
CAS DataBase Reference 75-71-8(CAS DataBase Reference)
NIST Chemistry Reference Dichlorodifluoromethane(75-71-8)
EPA Substance Registry System CFC-12 (75-71-8)

Safety Information

Hazard Codes  Xn;N,Xi,N,Xn,T,F
Risk Statements  20-59-23/25-11-39/23/24/25-23/24/25-22
Safety Statements  23-24/25-59-61-45-24-16-7-36/37
RIDADR  1028
WGK Germany  1
Hazard Note  Irritant
DOT Classification 2.2 (Nonflammable gas)
HazardClass  2.2
Hazardous Substances Data 75-71-8(Hazardous Substances Data)
Toxicity LD50 for rats >1 g/kg (quoted, Verschueren, 1983).
IDLA 15,000 ppm

Usage And Synthesis