International Chemical Safety Cards TRIGLYCIDYL ISOCYANURATE ICSC: 1274 1,3,5-Triglycidyl isocyanurate s-Triazine-2,4,6(1H,3H,5H)-trione Tris(epoxypropyl)isocyanurate C12H15N3O6 Molecular mass: 297.3 ICSC #    1274 CAS #     2451-62-9 RTECS # XZ1994900 EC #         615-021-00-6 October 08, 1997 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. Foam, powder, carbon dioxide. EXPLOSION Finely dispersed particles form explosive mixtures in air. Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting. EXPOSURE PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!  •INHALATION Local exhaust or breathing protection. Fresh air, rest.  •SKIN Protective gloves. Protective clothing. Remove contaminated clothes. Rinse skin with plenty of water or shower.  •EYES Redness. Pain. Safety goggles, or eye protection in combination with breathing protection. 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. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Sweep spilled substance into sealable containers. Carefully collect remainder, then remove to safe place. Do NOT let this chemical enter the environment (extra personal protection: P2 filter respirator for harmful particles). Well closed. Note: E T symbol R: 46-23/25-41-43-48/22-52/53 S: 53-45-61 SEE IMPORTANT INFORMATION ON BACK ICSC: 1274 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 TRIGLYCIDYL ISOCYANURATE ICSC: 1274 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: WHITE POWDER OR GRANULE. PHYSICAL DANGERS: Dust explosion possible if in powder or granular form, mixed with air. CHEMICAL DANGERS: The substance may polymerize due to heating to more than 120°C for more than 12 hours, or under the influence of catalysts. The substance decomposes on burning producing toxic fumes including nitrogen oxides. Molten triglycidyl isocyanurate reacts rapidly with primary and secondary amines, carboxylic acids and anhydrides, thiols, phenols and alcohols. OCCUPATIONAL EXPOSURE LIMITS: TLV (as TWA): ppm; 0.05 mg/m3 (ACGIH 1998). ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. INHALATION RISK: Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed, especially if powdered. EFFECTS OF SHORT-TERM EXPOSURE: The substance irritates severely the eyes. The substance may cause effects on the central nervous system, kidneys, liver, lungs and gastrointestinal tract , resulting in tissue lesions. EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: Repeated or prolonged contact may cause skin sensitization. May cause heritable genetic damage in humans. PHYSICAL PROPERTIES Melting point: 95°C Solubility in water, g/100 ml at 25°C: 0.9 (technical grade) Flash point: >170°C (technical grade) Auto-ignition temperature: >200°C (technical grade) Octanol/water partition coefficient as log Pow: -0.8 (technical grade) ENVIRONMENTAL DATA N O T E S Technical grade of this substance is a mixture of alpha and beta isomers. ADDITIONAL INFORMATION ICSC: 1274 TRIGLYCIDYL ISOCYANURATE (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.