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CHLORANILICSC: 0780 (September 1997)
2,3,5,6-Tetrachloro-p-benzoquinone
2,3,5,6-Tetrachloro-2,5-cyclohexadiene-1,4-dione
Tetrachloro-p-benzoquinone
Tetrachloro-p-quinone
CAS #: 118-75-2
EC Number: 204-274-4

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

 PREVENT DISPERSION OF DUST! AVOID EXPOSURE OF ADOLESCENTS AND CHILDREN!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough. Sore throat.  Avoid inhalation of dust and mist.  Fresh air, rest. 
Skin Redness.  Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes Redness. Pain.  Wear safety goggles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Diarrhoea.  Do not eat, drink, or smoke during work. Wash hands before eating.  Rest. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Do NOT wash away into sewer. Do NOT let this chemical enter the environment. 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. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. 
PACKAGING
Do not transport with food and feedstuffs. 
CHLORANIL ICSC: 0780
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
YELLOW SOLID IN VARIOUS FORMS. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic fumes including hydrogen chloride. 

Formula: C6Cl4O2
Molecular mass: 245.9
Melting point: 290°C
Relative density (water = 1): 2.0
Solubility in water: none
Vapour pressure, Pa at 25°C: <0.001
Relative vapour density (air = 1): 8.5
Octanol/water partition coefficient as log Pow: 3-4.9  


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the central nervous system. Exposure at high levels could cause unconsciousness. 

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered. 

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 fish. Avoid release to the environment in circumstances different to normal use. 

NOTES
If the substance is formulated with solvent(s) also consult the card(s) (ICSC) of the solvent(s).
Carrier solvents used in commercial formulations may change physical and toxicological properties. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: Xi, N; R: 36/38-50/53; S: (2)-37-60-61 

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