ChemicalBook CAS DataBase List 1,2-DIFLUOROTETRACHLOROETHANE

1,2-DIFLUOROTETRACHLOROETHANE

Product Name1,2-DIFLUOROTETRACHLOROETHANE
CAS76-12-0
CBNumberCB0274986
MFC2Cl4F2
MW203.83
EINECS200-935-6
MDL NumberMFCD00039322
MOL File76-12-0.mol
MSDS FileSDS

Chemical Properties

Melting point	24°C
Boiling point	92,8°C
Density	1,634 g/cm³
vapor pressure	45.8 at 25 °C (Boublik et al., 1984)
refractive index	1.413
solubility	Soluble in alcohol, chloroform, and ether (Weast, 1986). Miscible in many halogenated hydrocarbons, e.g., chloroform, caterbon tetrachloride, etc.
form	Colorless solid or liquid
Water Solubility	120 mg/L at 25 °C (Du Pont, 1966)
Henry's Law Constant	0.102(atm?m³/mol) at 25 °C (approximate - calculated from water solubility and vapor pressure)
Exposure limits	NIOSH REL: TWA 500 ppm (4,170 mg/m³), IDLH 2,000 ppm; OSHA PEL: TWA 500 ppm (adopted).
CAS DataBase Reference	76-12-0(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	H155PU1V8F
EPA Substance Registry System	CFC-112 (76-12-0)

Safety

Symbol(GHS)
Signal word	Danger
Hazard statements	H302
Precautionary statements	P264-P270-P301+P312-P330-P501
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
OEB	A
OEL	TWA: 500 ppm (4170 mg/m3)
Hazard Note	Irritant
Hazardous Substances Data	76-12-0(Hazardous Substances Data)
Toxicity	LD50 (inhalation) for mice 123 gm/m³/2-h (quoted, RTECS, 1985).
IDLA	2,000 ppm

1,2-DIFLUOROTETRACHLOROETHANE Chemical Properties,Usage,Production

Chemical Properties

Colorless liquids or solids with slight ethereal odor.

Chemical Properties

White solid or colorless liquid; slightly camphor-like odor when concentrated. Insoluble in water; soluble in alcohol. Nonflammable.

Physical properties

Clear, colorless liquid or solid with a faint, ethereal or camphor-like odor. Evaporates quickly when spilled.

Uses

As a refrigerant; solvent extractant; as a blowing or foaming agent.

Uses

Degreasing solvent.

General Description

Colorless low-melting solid or liquid with a slight ethereal odor. Mp: 26.5°C; bp: 92.5°C. Density (of liquid): 1.64 g cm-3 at 30°C. Used as a refrigerant, a solvent extractant, and in dry cleaning.

Reactivity Profile

1,2-DIFLUOROTETRACHLOROETHANE is non-flammable. Incompatible with active metals such as potassium, sodium, beryllium, powdered aluminum, zinc, magnesium, and calcium. Reacts with acids.

Hazard

Toxic by inhalation.

Health Hazard

At high concentrations, 1,1,2,2- tetrachloro-1,2-difluoroethane affects the nervous system and causes pulmonary edema in animals; it is expected that severe exposure in humans will produce the same effects. There are no reports of adverse effects in humans.

Safety Profile

A poison by inhalation. Moderately toxic by ingestion. A sktn and eye irritant. When heated to decomposition it emits toxic fumes of Fand Cl-. See also CHLORINATED HYDROCARBONS, ALIPHATIC; and FLUORIDES.

Potential Exposure

Possible risk of forming tumors, Primary irritant (w/o allergic reaction).

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.

Preparation Products And Raw materials

1,2-DIFLUOROTETRACHLOROETHANE Spectrum

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