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DICHLOBENILICSC: 0867 (April 2005)
2,6-Dichlorobenzonitrile
DBN
2,6-Dichlorophenylcyanide
CAS #: 1194-65-6
EC Number: 214-787-5

  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.   

See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE.   
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough.  Use ventilation (not if powder), local exhaust or breathing protection.  Fresh air, rest. 
Skin MAY BE ABSORBED!  Protective gloves.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness.  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. Do NOT induce vomiting. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered sealable 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 oxidants and food and feedstuffs. Store in an area without drain or sewer access. 
PACKAGING
Do not transport with food and feedstuffs. 
DICHLOBENIL ICSC: 0867
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE-TO-OFF-WHITE CRYSTALS WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic and corrosive fumes including hydrogen chloride. Reacts violently with oxidants. 

Formula: C7H3Cl2N / C6H3Cl2(CN)
Molecular mass: 172.0
Boiling point: 270°C
Melting point: 145-146°C
Density: 1.3 g/cm³
Solubility in water: none
Vapour pressure, Pa at 20°C: 0.073
Octanol/water partition coefficient as log Pow: 2.64  


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
 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed. 

Effects of long-term or repeated exposure
The substance may have effects on the skin. This may result in chloracne. 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
The substance is toxic to aquatic organisms. This substance does enter the environment under normal use. Great care, however, should be taken to avoid any additional release, for example through inappropriate disposal. 

NOTES
Dichlobenil is a major metabolite of chlorthiamid.
See ICSC 0852. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: Xn, N; R: 21-51/53; S: (2)-36/37-61 

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