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CHLOROTOLURON ICSC: 1327
Date of Peer Review: October 2005

3-(3-Chloro-p-tolyl)-1,1-dimethylurea
CAS # 15545-48-9 C10H13ClN2O
RTECS # YS7230000 Molecular mass: 212.7
UN #
EC Index # 616-105-00-5
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.

Water spray. Foam. Dry powder. Carbon dioxide.
EXPLOSION


EXPOSURE See NOTES.


Inhalation
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.
Safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P2 filter respirator for harmful particles. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. Carefully collect remainder.
Do not transport with food and feedstuffs.
EU Classification
Symbol: Xn, N
R: 40-63-50/53
S: (2-)-26-36/37-46-60-61
UN Classification

EMERGENCY RESPONSE STORAGE

Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access. Separated from strong bases, strong acids, food and feedstuffs.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
CHLOROTOLURON ICSC: 1327
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS CRYSTALS OR WHITE POWDER

CHEMICAL DANGERS:
On combustion, forms toxic fumes. Reacts with strong acids and strong bases.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. MAK not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

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.
PHYSICAL PROPERTIES
Melting point: 148.1C
Density: 1.4 g/cm
Solubility in water, g/100 ml at 25C: 0.0074 (very poor)
Vapour pressure, Pa at C: negligible
Octanol/water partition coefficient as log Pow: 2.5
ENVIRONMENTAL DATA
The substance is very toxic to aquatic organisms. This substance does enter the environment under normal use. Great care, however, should be given to avoid any additional release, e.g. 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


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2005