International Chemical Safety Cards METHYLDIBROMOGLUTARONITRILE ICSC: 1546 Glutaronitrile, 2-bromo-2-(bromomethyl)- 1,2-Dibromo-2,4-dicyanobutane 2-Bromo-2-(bromomethyl)pentanedinitrile C6H6Br2N2 Molecular mass: 265.94 ICSC #    1546 CAS #     35691-65-7 RTECS # MA5599000 October 28, 2004 Peer reviewed 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. NO open flames. Powder, water spray, foam, carbon dioxide. EXPLOSION EXPOSURE STRICT HYGIENE!  •INHALATION Local exhaust or breathing protection. Fresh air, rest.  •SKIN Redness. Protective gloves. Protective clothing. Remove contaminated clothes. Rinse and then wash skin with water and soap.  •EYES Redness. Pain. Safety goggles. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.  •INGESTION Abdominal pain. Do not eat, drink, or smoke during work. Rinse mouth. Give plenty of water to drink. Refer for medical attention. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Personal protection: P2 filter respirator for harmful particles. Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. R: S: SEE IMPORTANT INFORMATION ON BACK ICSC: 1546 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 METHYLDIBROMOGLUTARONITRILE ICSC: 1546 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: WHITE CRYSTALS , WITH PUNGENT ODOUR. PHYSICAL DANGERS: CHEMICAL DANGERS: The substance decomposes on burning producing toxic fumes . OCCUPATIONAL EXPOSURE LIMITS: TLV not established. MAK: value not established but data is available; Sh; (DFG 2004). ROUTES OF EXPOSURE: The substance can be absorbed into the body by ingestion. INHALATION RISK: A harmful concentration of airborne particles can be reached quickly. EFFECTS OF SHORT-TERM EXPOSURE: The substance is irritating to the eyes and the skin . EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: Repeated or prolonged contact may cause skin sensitization. PHYSICAL PROPERTIES Boiling point: 212°C Melting point: 51-52°C Relative density (water = 1): 1.1 Solubility in water: none ENVIRONMENTAL DATA N O T E S Environmental effects from the substance have not been investigated adequately. Do NOT take working clothes home. ADDITIONAL INFORMATION ICSC: 1546 METHYLDIBROMOGLUTARONITRILE (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.