1,1-DIFLUOROTETRACHLOROETHANE Property

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

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).

NIST Chemistry Reference

1,1,1,2-Tetrachlorodifluoroethane(76-11-9)

EPA Substance Registry System

CFC-112a (76-11-9)

Safety

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)

HS Code 

29034520

Hazardous Substances Data

76-11-9(Hazardous Substances Data)

Toxicity

LD50 oral in rat: > 8gm/kg

IDLA

2,000 ppm

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

1,1-DIFLUOROTETRACHLOROETHANE Chemical Properties,Usage,Production

Chemical Properties

colorless crystalline solid

Chemical Properties

Colorless liquids or solids with slight ethereal odor.

Uses

Refrigerant.

General Description

Colorless solid with a slight, ether-like odor. [Mp: 40.6°C; bp: 91.5°C.

Reactivity Profile

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

Hazard

Central nervous system impairment, liver and kidney damage.

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.

Potential Exposure

Used as a refrigerant, corrosion inhibitor; and blowing agent; making plastics. 1,1,2,2-is used as a refrigerant, a solvent extractant; and in the dry cleaning industry.

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.