International Chemical Safety Cards DICHLOBENIL ICSC: 0867 2,6-Dichlorobenzonitrile DBN 2,6-Dichlorophenylcyanide C7H3Cl2N / C6H3Cl2(CN) Molecular mass: 172.0 ICSC #    0867 CAS #     1194-65-6 RTECS # DI3500000 EC #         608-015-00-X April 18, 2005 Peer reviewed TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire. In case of fire in the surroundings: use appropriate extinguishing media. EXPLOSION EXPOSURE See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE.  •INHALATION Cough. Ventilation (not if powder), local exhaust, or breathing protection. Fresh air, rest.  •SKIN MAY BE ABSORBED! 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. Rinse mouth. Do NOT induce vomiting. Refer for medical attention. 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 sealable containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Provision to contain effluent from fire extinguishing. Separated from oxidants, food and feedstuffs . Store in an area without drain or sewer access. Do not transport with food and feedstuffs. Xn symbol N symbol R: 21-51/53 S: 2-36/37-61 SEE IMPORTANT INFORMATION ON BACK ICSC: 0867 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

International Chemical Safety Cards DICHLOBENIL ICSC: 0867 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: WHITE TO OFF-WHITE CRYSTALS , WITH CHARACTERISTIC ODOUR. PHYSICAL DANGERS: CHEMICAL DANGERS: The substance decomposes on heating producing toxic and corrosive fumes including hydrogen chloride . Reacts violently with oxidants. OCCUPATIONAL EXPOSURE LIMITS: TLV not established. MAK not established. ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation, through the skin 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: The substance may have effects on the skin , resulting in chloracne. PHYSICAL PROPERTIES Boiling point: 270°C Melting point: 145-146°C Density: 1.3 g/cm3 Solubility in water: none Vapour pressure, Pa at 20°C: 0.073 Octanol/water partition coefficient as log Pow: 2.64 ENVIRONMENTAL DATA The substance is 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 Dichlobenil is a major metabolite of Chlorthiamid. Other melting points: 139-145°C (technical). Casoron, Decabane, Prefix D, Cyclomec, Niagara 5006 and 5996, Norosac are trade names. See also ICSC0852 Chlorthiamid. ADDITIONAL INFORMATION ICSC: 0867 DICHLOBENIL (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.