International Chemical Safety Cards HEXABROMOCYCLODODECANE (MIXTURE OF ISOMERS) ICSC: 1413 Cyclododecane, hexabromo-isomers C12H18Br6 Molecular mass: 641.7 ICSC #    1413 CAS #     25637-99-4 October 16, 2001 Validated TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Not combustible. In case of fire in the surroundings: use appropriate extinguishing media. EXPLOSION EXPOSURE AVOID ALL CONTACT!  •INHALATION Ventilation. Local exhaust. Fresh air, rest.  •SKIN Protective gloves. Protective clothing. Rinse skin with plenty of water or shower.  •EYES Safety spectacles. 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 Sweep spilled substance into covered containers. SEE IMPORTANT INFORMATION ON BACK ICSC: 1413 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 HEXABROMOCYCLODODECANE (MIXTURE OF ISOMERS) ICSC: 1413 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: WHITE SOLID IN VARIOUS FORMS. PHYSICAL DANGERS: CHEMICAL DANGERS: OCCUPATIONAL EXPOSURE LIMITS: TLV not established. MAK not established. ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation. INHALATION RISK: A nuisance-causing concentration of airborne particles can be reached quickly when dispersed, especially if powdered. EFFECTS OF SHORT-TERM EXPOSURE: EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: Repeated or prolonged contact may cause skin sensitization. PHYSICAL PROPERTIES Boiling point (decomposes): 230°C Melting point: 178-183°C Density: 1050 kg/m³ Solubility in water, g/100 ml at 20°C: 0.002 Vapour pressure, Pa at 20°C: 0.0002 (calculated) Octanol/water partition coefficient as log Pow: 7.59 (calculated) ENVIRONMENTAL DATA Bioaccumulation of this chemical may occur along the food chain, for example in fish. The substance may cause long-term effects in the aquatic environment. N O T E S ADDITIONAL INFORMATION ICSC: 1413 HEXABROMOCYCLODODECANE (MIXTURE OF ISOMERS) (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.