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1-CHLORO-3,4-DINITROBENZENEICSC: 0722 (October 1997)
1,2-Dinitro-4-chlorobenzene
CAS #: 610-40-2
UN #: 3441
EC Number: 210-223-7

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Gives off irritating or toxic fumes (or gases) in a fire.    NO open flames.    Use water spray, powder, foam, carbon dioxide.   

 PREVENT DISPERSION OF DUST!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Blue lips, fingernails and skin. Headache. Dizziness. Nausea. Confusion. Laboured breathing. Convulsions. Unconsciousness.  Use local exhaust or breathing protection.  Fresh air, rest. Artificial respiration may be needed. Refer for medical attention. 
Skin MAY BE ABSORBED! Further see Inhalation.  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   Wear face shield.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Further see Inhalation.  Do not eat, drink, or smoke during work.  Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention . 

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. Personal protection: chemical protection suit including self-contained breathing apparatus. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 6.1; UN Pack Group: II 

STORAGE
Separated from strong oxidants, strong bases and food and feedstuffs. Well closed. Keep in a well-ventilated room. 
PACKAGING
Do not transport with food and feedstuffs.
Marine pollutant. 
1-CHLORO-3,4-DINITROBENZENE ICSC: 0722
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
YELLOW CRYSTALS. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic and corrosive fumes. Reacts with strong oxidants and strong bases. 

Formula: C6H3Cl(NO2)2
Molecular mass: 202.6
Decomposes at 315°C
Melting point: 40-41°C
Relative density (water = 1): 1.687
Flash point: >110°C 


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance may cause effects on the central nervous system, cardiovascular system and blood. This may result in the formation of methaemoglobin. 

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
Repeated or prolonged contact may cause skin sensitization. The substance may have effects on the central nervous system, cardiovascular system and blood. This may result in the formation of methaemoglobin. 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

NOTES
Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: T, N; R: 23/24/25-33-50/53; S: (1/2)-28-36/37-45-60-61; Note: C 

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    See Also:
       Toxicological Abbreviations