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2,2-DICHLOROACETYL CHLORIDEICSC: 0869
September 1997
CAS #: 79-36-7Dichloroacetyl chloride
UN #: 1765
EINECS #: 201-199-9

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Gives off irritating or toxic fumes (or gases) in a fire.  Above 66°C explosive vapour/air mixtures may be formed.  NO open flames. NO contact with water.  Above 66°C use a closed system and ventilation.  Use powder, carbon dioxide. NO water.  In case of fire: keep drums, etc., cool by spraying with water. NO direct contact with water. 

 PREVENT GENERATION OF MISTS! AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR! 
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation Sore throat. Cough. Burning sensation. Shortness of breath. Laboured breathing. Symptoms may be delayed. See Notes.  Use ventilation, local exhaust or breathing protection.  Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention. 
Skin Pain. Redness. Blisters. Skin burns.  Protective gloves. Protective clothing.  First rinse with plenty of water for at least 15 minutes, then remove contaminated clothes and rinse again. Refer for medical attention . 
Eyes Pain. Redness. Severe deep burns. Loss of vision.  Wear face shield or eye protection in combination with breathing protection.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Burning sensation. Abdominal cramps. Shock or collapse.  Do not eat, drink, or smoke during work.  Rinse mouth. Do NOT induce vomiting. Give nothing to drink. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 8; UN Pack Group: II 

STORAGE
Separated from strong oxidants, strong bases, food and feedstuffs, alcohols and water. Dry. Well closed. Keep in a well-ventilated room. 
PACKAGING
Do not transport with food and feedstuffs. 
2,2-DICHLOROACETYL CHLORIDE ICSC: 0869
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS-TO-YELLOW FUMING LIQUID WITH PUNGENT ODOUR. 

Physical dangers
No data. 

Chemical dangers
Decomposes on heating and on contact with moisture and metal powder. This produces toxic fumes of hydrogen chloride and phosgene (see ICSC 0007). This generates fire and explosion hazard. Reacts with strong oxidants, alcohols and water. Attacks many metals. This produces flammable/explosive gas (hydrogen - see ICSC 0001). 

Formula: C2HCl3O / Cl2CHCOCl
Molecular mass: 147.4
Boiling point: 107-108°C
Relative density (water = 1): 1.5
Solubility in water: decomposes
Vapour pressure, kPa at 20°C: 3.1
Relative vapour density (air = 1): 5.1
Flash point: 66°C
Auto-ignition temperature: 585°C
Explosive limits, vol% in air: 11.9-? 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation, through the skin and by ingestion. 

Effects of short-term exposure
Lachrymation. The substance is corrosive to the eyes, skin and respiratory tract. Corrosive on ingestion. Inhalation may cause lung oedema. See Notes. Exposure could cause death. 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. 

Effects of long-term or repeated exposure
 


Occupational exposure limits
 

ENVIRONMENT
This substance may be hazardous to the environment. Special attention should be given to water quality. 

NOTES
Reacts violently with fire extinguishing agents such as water.
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 are therefore essential.
Immediate administration of an appropriate inhalation therapy by a doctor or a person authorized by him/her, should be considered. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: C, N; R: 35-50; S: (1/2)-9-26-45-61 

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    See Also:
       Toxicological Abbreviations