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Dichloromonofluoromethane Structure

Dichloromonofluoromethane

Chemical Properties

Melting point -135°C
Boiling point 8.9°C
Density  1,354 g/cm3
vapor pressure  1,216 at 11.8 °C (NIOSH, 1997)
refractive index  1.3540
solubility  Soluble in acetic acid, alcohol, and ether (Weast, 1986)
form  Colorless gas
color  Colorless liquid or gas with an ether-like odor
Water Solubility  0.7 wt % at 30 °C (NIOSH, 1997)
Exposure limits NIOSH REL: TWA 10 ppm (40 mg/m3), IDLH 5,000 ppm; OSHA PEL: TWA 1,000 ppm (4,200 mg/m3); ACGIH TLV: TWA 10 ppm (adopted).
Dielectric constant 5.3(28℃)
FDA UNII 7GAO4CRJ0B
NIST Chemistry Reference Methane, dichlorofluoro-(75-43-4)
EPA Substance Registry System HCFC-21 (75-43-4)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H280
Precautionary statements P410+P403
Hazard Codes  N
Risk Statements  59
Safety Statements  59
RIDADR  1029
RTECS  PA8400000
HazardClass  2.2
Hazardous Substances Data 75-43-4(Hazardous Substances Data)
Toxicity LC50 (inhalation) for rats 49,900 ppm/4-h (quoted, RTECS, 1985).
IDLA 5,000 ppm
NFPA 704:
0
2 1

Dichloromonofluoromethane Price

Dichloromonofluoromethane Chemical Properties,Usage,Production

Dichloromonofluoromethane Spectrum