CHLOROTOLURON ICSC: 1327 3-(3-Chloro-p-tolyl)-1,1-dimethylurea C10H13ClN2O Molecular mass: 212.7 ICSC #    1327 CAS #     15545-48-9 RTECS # YS7230000 EC #         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 Storage 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. 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 . Do not transport with food and feedstuffs. Xn symbol N symbol R: 40-63-50/53 S: 2-26-36/37-46-60-61 CHLOROTOLURON ICSC: 1327 Important Data Physical State; Appearance: COLOURLESS CRYSTALS OR WHITE POWDER Physical Dangers: 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 Short-Term Exposure: 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: 148.1°C Density: 1.4 g/cm3 Solubility in water, g/100 ml at 25°C: 0.0074 (very poor) Vapour pressure, Pa at 20°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. N O T E S 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 ICSC: 1327 CHLOROTOLURON (C) IPCS, CEC, 1994 IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.