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4,4'-METHYLENEDIANILINEICSC: 1111
4,4'-Diaminodiphenylmethane
4,4'-Methylenebisbenzenamine
MDA
April 2013
CAS #: 101-77-9
UN #: 2651
EC Number: 202-974-4

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

 PREVENT DISPERSION OF DUST! AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR! 
  SYMPTOMS PREVENTION FIRST AID
Inhalation Nausea. Vomiting. Abdominal pain. Fever.  Use ventilation (not if powder), local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin MAY BE ABSORBED! Further see Inhalation.  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention . 
Eyes   Wear safety spectacles or face shield.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Jaundice. Further see Inhalation.  Do not eat, drink, or smoke during work. Wash hands before eating.  Rinse mouth. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: complete protective clothing including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Sweep spilled substance into 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

excl mark;warncancer;health haz
DANGER
May be harmful if swallowed
May cause an allergic skin reaction
Suspected of causing genetic defects
May cause cancer
May cause damage to liver
May cause damage to liver through prolonged or repeated exposure
Harmful to aquatic life 

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

STORAGE
Separated from strong oxidants and food and feedstuffs. Well closed. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing. 
PACKAGING
Do not transport with food and feedstuffs.
Marine pollutant. 
4,4'-METHYLENEDIANILINE ICSC: 1111
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS-TO-PALE-YELLOW FLAKES WITH CHARACTERISTIC ODOUR. TURNS DARK ON EXPOSURE TO AIR. 

Physical dangers
 

Chemical dangers
The substance is a weak base. Reacts violently with strong oxidants. 

Formula: C13H14N2 / NH2C6H4CH2C6H4NH2
Molecular mass: 198.3
Boiling point at 102kPa: 398-399°C
Melting point: 91.5-92°C
Density: 0.5 g/cm³
Solubility in water: poor
Vapour pressure, Pa at 197°C: 133
Flash point: 220°C c.c.
Octanol/water partition coefficient as log Pow: 1.6  


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance may cause effects on the liver. This may result in liver impairment. 

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

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. The substance may have effects on the liver. This substance is possibly carcinogenic to humans. 


OCCUPATIONAL EXPOSURE LIMITS
TLV: 0.1 ppm as TWA; (skin); A3 (confirmed animal carcinogen with unknown relevance to humans).
MAK: skin absorption (H); sensitization of skin (SH); carcinogen category: 2 

ENVIRONMENT
The substance is harmful to aquatic organisms. It is strongly advised not to let the chemical enter into the environment. 

NOTES
Do NOT take working clothes home.
Depending on the degree of exposure, periodic medical examination is suggested. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: T, N; R: 45-39/23/24/25-43-48/20/21/22-68-51/53; S: 53-45-61; Note: E 

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       Toxicological Abbreviations