International Chemical Safety Cards BUTYL METHACRYLATE ICSC: 1018 2-Methyl butylacrylate 2-Propenoic acid, 2-methyl-, butyl ester Butyl 2-methacrylate Methacrylic acid, butyl ester C8H14O2 / CH2C(CH3)COO(CH2)3CH3 Molecular mass: 142.2 ICSC #    1018 CAS #     97-88-1 RTECS # OZ3675000 UN #        2227 EC #         607-033-00-5 November 24, 1998 Peer reviewed TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Flammable. NO open flames, NO sparks, and NO smoking. Powder, AFFF, foam, carbon dioxide. EXPLOSION Above 41°C explosive vapour/air mixtures may be formed. Above 41°C use a closed system, ventilation, and explosion-proof electrical equipment. Prevent build-up of electrostatic charges (e.g., by grounding). In case of fire: keep drums, etc., cool by spraying with water. EXPOSURE PREVENT GENERATION OF MISTS! AVOID ALL CONTACT!  •INHALATION Cough. Shortness of breath. Sore throat. Ventilation, local exhaust, or breathing protection. Fresh air, rest. Half-upright position.  •SKIN Redness. Pain. (Further see Inhalation). Protective gloves. Protective clothing. Remove contaminated clothes. Rinse skin with plenty of water or shower.  •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. (Further see Inhalation). Do not eat, drink, or smoke during work. Rinse mouth. Refer for medical attention. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Collect leaking and spilled liquid in sealable sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place. (Extra personal protection: filter respirator for organic gases and vapours). Fireproof. Separated from oxidants. Cool. Dry. Keep in the dark. Store only if stabilized. Note: D Xi symbol R: 10-36/37/38-43 S: 2 UN Hazard Class: 3 UN Packing Group: III SEE IMPORTANT INFORMATION ON BACK ICSC: 1018 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 BUTYL METHACRYLATE ICSC: 1018 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: COLOURLESS LIQUID , WITH CHARACTERISTIC ODOUR. PHYSICAL DANGERS: As a result of flow, agitation, etc., electrostatic charges can be generated. CHEMICAL DANGERS: The substance may polymerize due to heating, under the influence of moisture, oxidants or light with fire or explosion hazard. OCCUPATIONAL EXPOSURE LIMITS: TLV not established. ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation. INHALATION RISK: No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C. EFFECTS OF SHORT-TERM EXPOSURE: The substance irritates the eyes, the skin and the respiratory tract. EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: Repeated or prolonged contact may cause skin sensitization. See Notes. PHYSICAL PROPERTIES Boiling point: 163°C Melting point: -25°C Relative density (water = 1): 0.9 Solubility in water, g/100 ml: 0.6 Vapour pressure, Pa at 20°C: 270 Relative vapour density (air = 1): 4.9 Relative density of the vapour/air-mixture at 20°C (air = 1): 1 Flash point: 41°C Auto-ignition temperature: 290°C Explosive limits, vol% in air: 2-8 Octanol/water partition coefficient as log Pow: 2.26-3.01 ENVIRONMENTAL DATA N O T E S Health effects of exposure to the substance have not been investigated adequately. An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert. Transport Emergency Card: TEC (R)-606A. NFPA Code: H2; F2; R0. ADDITIONAL INFORMATION ICSC: 1018 BUTYL METHACRYLATE (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.