ICSC 1111 - 4,4'-METHYLENEDIANILINE

4,4'-METHYLENEDIANILINE	ICSC: 1111 (April 2013)
4,4'-Diaminodiphenylmethane 4,4'-Methylenebisbenzenamine MDA

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 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

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.

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. EU-OEL: 0.08 mg/m³ as TWA; (skin)

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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    See Also:
       Toxicological Abbreviations