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CLOPYRALIDICSC: 0443 (November 1997)
3,6-Dichloropyridine-2-carboxylic acid
3,6-Dichloropicolinic acid
3,6-DCP
CAS #: 1702-17-6
EC Number: 216-935-4

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible.    NO open flames.    Use water spray, powder.   

 PREVENT DISPERSION OF DUST!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness.  Protective gloves.   
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   Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. 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
Do NOT store or transport in containers made from aluminium. 
PACKAGING
 
CLOPYRALID ICSC: 0443
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
ODOURLESS WHITE OR COLOURLESS CRYSTALS. 

Physical dangers
 

Chemical dangers
Decomposes on burning. This produces toxic and corrosive fumes of nitrogen oxides and chlorine (see ICSC 0126). The solution is corrosive to aluminum, iron and tin. 

Formula: C6H3Cl2NO2 / (C5H2N)Cl2COOH
Molecular mass: 192.0
Melting point: 151-152°C
Solubility in water at 20°C: poor
Vapour pressure, Pa at 25°C: 0.002  


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. 

Inhalation risk
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

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

NOTES
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: Xi, N; R: 41-51/53; S: (2)-26-39-61 

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