ICSC 0582 - 2,4-TOLUENEDIAMINE

2,4-TOLUENEDIAMINE	ICSC: 0582 (April 2014)
2,4-Toluylenediamine 4-Methyl-m-phenylenediamine 2,4-Diaminotoluene 2,4-TDA

CAS #: 95-80-7

UN #: 1709

EC Number: 202-453-1

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire. Finely dispersed particles form explosive mixtures in air.	NO open flames. Closed system, dust explosion-proof electrical equipment and lighting.	Use water spray, foam, powder, carbon dioxide.

PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Sore throat.	Use local exhaust or breathing protection.	Fresh air, rest.
Skin	MAY BE ABSORBED! Redness.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness. Pain.	Wear safety goggles (if molten) or face shield.	Rinse with plenty of water (remove contact lenses if easily possible).
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth.

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. Do NOT wash away into sewer. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Then store and dispose of according to local regulations.	According to UN GHS Criteria DANGER Toxic if swallowed Harmful in contact with skin May cause an allergic skin reaction Suspected of causing genetic defects May cause cancer Suspected of damaging fertility or the unborn child May cause damage to liver and kidneys through prolonged or repeated exposure Toxic to aquatic life with long lasting effects Transportation UN Classification UN Hazard Class: 6.1; UN Pack Group: III
STORAGE
Well closed. Separated from oxidants and acids. Separated from food and feedstuffs. Store in an area without drain or sewer access. Do NOT store or transport in containers made from aluminium or copper and its alloys. Provision to contain effluent from fire extinguishing.
PACKAGING
Do not transport with food and feedstuffs.

2,4-TOLUENEDIAMINE

ICSC: 0582

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS CRYSTALS. TURNS DARK ON EXPOSURE TO AIR. Physical dangers If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc. Dust explosion possible if in powder or granular form, mixed with air. Chemical dangers Decomposes on heating. This produces toxic and corrosive fumes including nitrogen oxides. Reacts with oxidants and acids. This generates fire and explosion hazard. Attacks copper and its alloys and aluminium.	Formula: C₇H₁₀N₂ / CH₃C₆H₃(NH₂)₂ Molecular mass: 122.2 Boiling point: 292°C Melting point: 99°C Density: 1.26 kg/l Solubility in water, g/100ml at 20°C: 3.5 Vapour pressure, kPa at 106.5°C: 0.13 Relative vapour density (air = 1): 4.2 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00 Flash point: 149°C Auto-ignition temperature: 475°C Octanol/water partition coefficient as log Pow: 0.35

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS CRYSTALS. TURNS DARK ON EXPOSURE TO AIR.

Physical dangers
If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc. Dust explosion possible if in powder or granular form, mixed with air.

Chemical dangers
Decomposes on heating. This produces toxic and corrosive fumes including nitrogen oxides. Reacts with oxidants and acids. This generates fire and explosion hazard. Attacks copper and its alloys and aluminium.

Formula: C₇H₁₀N₂ / CH₃C₆H₃(NH₂)₂
Molecular mass: 122.2
Boiling point: 292°C
Melting point: 99°C
Density: 1.26 kg/l
Solubility in water, g/100ml at 20°C: 3.5
Vapour pressure, kPa at 106.5°C: 0.13
Relative vapour density (air = 1): 4.2
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 149°C
Auto-ignition temperature: 475°C
Octanol/water partition coefficient as log Pow: 0.35

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its aerosol or vapour, through the skin and by ingestion. Effects of short-term exposure The substance is mildly irritating to the eyes. The hot liquid may cause severe skin burns. The substance may cause effects on the liver and blood.	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 liver and kidneys. This may result in liver function impairment and kidney impairment. This substance is possibly carcinogenic to humans. May cause genetic damage in humans. May cause reproductive toxicity in humans.

EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance is mildly irritating to the eyes. The hot liquid may cause severe skin burns. The substance may cause effects on the liver and blood.

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 liver and kidneys. This may result in liver function impairment and kidney impairment. This substance is possibly carcinogenic to humans. May cause genetic damage in humans. May cause reproductive toxicity in humans.

OCCUPATIONAL EXPOSURE LIMITS
MAK: (vapour and aerosol): sensitization of skin (SH); skin absorption (H); carcinogen category: 2; germ cell mutagen group: 3B

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

NOTES
Do NOT take working clothes home. Often transported in the molten state.

ADDITIONAL INFORMATION

EC Classification
Symbol: T, N; R: 45-21-25-43-48/22-62-68-51/53; S: 53-45-61; Note: E

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    See Also:
       Toxicological Abbreviations