ICSC 1327 - CHLOROTOLURON

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CHLOROTOLURON	ICSC: 1327 (October 2005)
3-(3-Chloro-p-tolyl)-1,1-dimethylurea

CAS #: 15545-48-9

EC Number: 239-592-2

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.		Use water spray, foam, dry powder, carbon dioxide.

See Notes.
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation		Use local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness.	Wear safety goggles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion		Do not eat, drink, or smoke during work. Wash hands before eating.	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. Sweep spilled substance into covered containers. Carefully collect remainder.	According to UN GHS Criteria Transportation UN Classification
STORAGE
Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access. Separated from strong bases, strong acids and food and feedstuffs.
PACKAGING
Do not transport with food and feedstuffs.

CHLOROTOLURON

ICSC: 1327

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS CRYSTALS OR WHITE POWDER. Physical dangers Chemical dangers On combustion, forms toxic fumes. Reacts with strong acids and strong bases.	Formula: C₁₀H₁₃ClN₂O Molecular mass: 212.7 Melting point: 148.1°C Density: 1.4 g/cm³ Solubility in water, g/100ml at 25°C: 0.0074 (very poor) Vapour pressure at 20°C: negligible Octanol/water partition coefficient as log Pow: 2.5

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS CRYSTALS OR WHITE POWDER.

Physical dangers

Chemical dangers
On combustion, forms toxic fumes. Reacts with strong acids and strong bases.

Formula: C₁₀H₁₃ClN₂O
Molecular mass: 212.7
Melting point: 148.1°C
Density: 1.4 g/cm³
Solubility in water, g/100ml at 25°C: 0.0074 (very poor)
Vapour pressure at 20°C: negligible
Octanol/water partition coefficient as log Pow: 2.5

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	Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed. Effects of long-term or repeated exposure Tumours have been detected in experimental animals but may not be relevant to humans. See Notes.

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

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

Effects of long-term or repeated exposure
Tumours have been detected in experimental animals but may not be relevant to humans. See Notes.

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT
The substance is very toxic to aquatic organisms. This substance does enter the environment under normal use. Great care, however, should be taken to avoid any additional release, for example through inappropriate disposal.

NOTES
Tumors of kidney and liver were observed at high dose levels in mice. The substance is combustible but no flash point is available in literature.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xn, N; R: 40-63-50/53; S: (2)-26-36/37-46-60-61

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