ICSC 0595 - UREA

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UREA	ICSC: 0595 (July 1997)
Carbamide Carbonyldiamide

CAS #: 57-13-6

EC Number: 200-315-5

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.		In case of fire in the surroundings, use appropriate extinguishing media.

PREVENT DISPERSION OF DUST!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Shortness of breath. Sore throat.	Use local exhaust.	Fresh air, rest.
Skin	Redness.	Protective gloves.	Rinse and then wash skin with water and soap.
Eyes	Redness.	Wear safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Convulsions. Headache. Nausea. Vomiting.	Do not eat, drink, or smoke during work.	Give one or two glasses of water to drink. Rest.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.	According to UN GHS Criteria Transportation UN Classification
STORAGE
Separated from incompatible materials. See Chemical Dangers.
PACKAGING

UREA

ICSC: 0595

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE CRYSTALS WITH CHARACTERISTIC ODOUR. Physical dangers No data. Chemical dangers Decomposes on heating above the melting point. This produces toxic gases. Reacts with strong oxidants, nitrites, inorganic chlorides, chlorites and perchlorates. This generates fire and explosion hazard.	Formula: NH₂CONH₂ / CH₄N₂O Molecular mass: 60.1 Melting point: 132.7-135°C Density: g/cm³ Solubility in water: miscible Octanol/water partition coefficient as log Pow: -3.00/-1.54

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE CRYSTALS WITH CHARACTERISTIC ODOUR.

Physical dangers
No data.

Chemical dangers
Decomposes on heating above the melting point. This produces toxic gases. Reacts with strong oxidants, nitrites, inorganic chlorides, chlorites and perchlorates. This generates fire and explosion hazard.

Formula: NH₂CONH₂ / CH₄N₂O
Molecular mass: 60.1
Melting point: 132.7-135°C
Density: g/cm³
Solubility in water: miscible
Octanol/water partition coefficient as log Pow: -3.00/-1.54

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. Effects of short-term exposure The substance is irritating to the eyes, skin and respiratory tract.	Inhalation risk Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly , especially if powdered. Effects of long-term or repeated exposure Repeated or prolonged contact with skin may cause dermatitis.

EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract.

Inhalation risk
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly , especially if powdered.

Effects of long-term or repeated exposure
Repeated or prolonged contact with skin may cause dermatitis.

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT

NOTES
Temperature of decomposition is unknown in the literature.

ADDITIONAL INFORMATION

EC Classification

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