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4,4'-METHYLENE BIS(2-CHLOROANILINE)
ICSC: 0508
Peer-Review Status: 12.4.2013 Validated
Benzenamine, 4,4'-methylenebis(2-chloro-)
2,2'-Dichloro-4,4'-methylenedianiline
4,4'-Diamino-3,3'-dichlorodiphenylmethane
MOCA; MBOCA 
CAS #: 101-14-4 RTECS #: CY1050000
UN #: 3077
EC #: 612-078-00-9
EINECS #: 202-918-9
    Formula: C13H12Cl2N2
Molecular mass: 267.2

TYPES OF HAZARD
/ EXPOSURE
ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE-FIGHTING
FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.  NO open flames.  Use water spray, dry powder, carbon dioxide. 
EXPLOSION      
 
EXPOSURE   AVOID ALL CONTACT! PREVENT DISPERSION OF DUST!   
Inhalation Cough. Further see Ingestion.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin MAY BE ABSORBED!  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety goggles or face shield.  Rinse with plenty of water (remove contact lenses if easily possible). 
Ingestion Headache. Dizziness.  Do not eat, drink, or smoke during work.  Rinse mouth. Refer for medical attention . 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: complete protective clothing including self-contained breathing apparatus. 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. Do NOT let this chemical enter the environment.   
EC Classification
Symbol: T, N; R: 45-22-50/53; S: 53-45-60-61; Note: E 
UN Classification
UN Hazard Class: 9; UN Pack Group: III 
GHS Classification
Signal: Danger
Harmful if swallowed
Suspected of causing genetic defects
May cause cancer
May cause damage to blood
Very toxic to aquatic life with long lasting effects 
excl mark;warncancer;health hazenviro;aqua

EMERGENCY RESPONSE SAFE STORAGE
  See Chemical Dangers. Well closed. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing. 

IMPORTANT DATA
Physical State; Appearance
COLOURLESS CRYSTALS OR LIGHT BROWN PELLETS. 

Physical dangers
 

Chemical dangers
Decomposes above 200°C . This produces toxic and corrosive fumes including hydrogen chloride and nitrogen oxides. The substance is a weak base. Reacts with strong acids, strong bases and alkaline earth metals. 

Occupational exposure limits
TLV: 0.01ppm, 0.11mg/m³ as TWA; A2 (suspected human carcinogen); BEI issued; (ACGIH 2012).
MAK: Carcinogen category: 2; Skin absorption (H); (DFG 2012).
EU OEL ( selected):.
EU OEL ( selected):.
EU OEL ( selected):.
EU OEL ( selected): SCOEL recommendation available. 

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

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. 

Effects of short-term exposure
The substance may cause effects on the blood. 

Effects of long-term or repeated exposure
This substance is carcinogenic to humans. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: 110°C
Decomposes at 202°C
Flash point: 113°C c.c.
Density: 1.44 g/cm³
Solubility in water: none
Octanol/water partition coefficient as log Pow: 3.94
Vapour pressure: negligible 
The substance is very toxic to aquatic organisms. The substance may cause long-term effects in the aquatic environment. Bioaccumulation of this chemical may occur in aquatic organisms and plants. It is strongly advised not to let the chemical enter into the environment because it is persistent. 

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.
Do NOT take working clothes home. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations