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1,1,2,2-TETRACHLORO-1,2-DIFLUOROETHANEICSC: 1421
November 2003
CAS #: 76-12-01,2-Difluoro-1,1,2,2-tetrachloroethane
CFC-112
Fluorocarbon 112
EINECS #: 200-935-6

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.        In case of fire in the surroundings, use appropriate extinguishing media.   

   
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation Cough. Sore throat. Laboured breathing. Shortness of breath. Irregular heartbeat. Confusion. Drowsiness. Unconsciousness.  Use ventilation, local exhaust or breathing protection.  Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention. See Notes. 
Skin Redness.  Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. Do NOT let this chemical enter the environment. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
See Chemical Dangers. Well closed. 
PACKAGING
 
1,1,2,2-TETRACHLORO-1,2-DIFLUOROETHANE ICSC: 1421
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS-TO-WHITE SOLID IN VARIOUS FORMS WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
Decomposes on contact with hot surfaces or flames. This produces toxic fumes including hydrogen chloride, hydrogen fluoride and phosgene. Reacts with alkali metals, powdered aluminium, magnesium and zinc. Attacks plastics, rubber and coatings. 

Formula: C2Cl4F2 / Cl2FCCCl2F
Molecular mass: 203.8
Boiling point: 93°C
Melting point: 26°C
Density: 1.65 g/cm³
Solubility in water, g/100ml: 0.012
Vapour pressure, kPa at 20°C: 5.3
Relative vapour density (air = 1): 7.0  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its vapour. 

Effects of short-term exposure
The substance is mildly irritating to the eyes, respiratory tract and skin. Inhalation of high levels may cause lung oedema. See Notes. The substance may cause effects on the cardiovascular system and central nervous system. This may result in cardiac disorders and central nervous system depression. Exposure could cause lowering of consciousness. 

Inhalation risk
A harmful contamination of the air will be reached rather slowly on evaporation of this substance at 20°C. 

Effects of long-term or repeated exposure
 


Occupational exposure limits
TLV: 50 ppm as TWA.
MAK: 1700 mg/m3, 200 ppm; peak limitation category: II(2); pregnancy risk group: D 

ENVIRONMENT
This substance may be hazardous to the environment. Special attention should be given to its impact on the ozone layer. 

NOTES
Do NOT use in the vicinity of a fire or a hot surface, or during welding.
The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation is therefore essential. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations