International Chemical Safety Cards DIMETHYL PHTHALATE ICSC: 0261 Dimethyl 1,2-benzenedicarboxylate Phthalic acid dimethyl ester 1,2-Benzenedicarboxylic acid, dimethyl ester C6H4(COOCH3)2 / C10H10O4 Molecular mass: 194.2 ICSC #    0261 CAS #     131-11-3 RTECS # TI1575000 October 19, 2005 Validated TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Combustible. NO open flames. Water spray, foam, powder, carbon dioxide. EXPLOSION EXPOSURE  •INHALATION Ventilation. Fresh air, rest.  •SKIN Protective gloves. Rinse and then wash skin with water and soap.  •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. Rinse mouth. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Do NOT let this chemical enter the environment. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Store in an area without drain or sewer access. SEE IMPORTANT INFORMATION ON BACK ICSC: 0261 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 DIMETHYL PHTHALATE ICSC: 0261 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: OILY COLOURLESS LIQUID PHYSICAL DANGERS: CHEMICAL DANGERS: The substance decomposes on burning producing irritating fumes . OCCUPATIONAL EXPOSURE LIMITS: TLV: 5 mg/m³ as TWA; (ACGIH 2005). MAK not established. OSHA PEL: TWA 5 mg/m3 NIOSH REL: TWA 5 mg/m3 NIOSH IDLH: 2000 mg/m3 See: 131113 ROUTES OF EXPOSURE: INHALATION RISK: A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C. EFFECTS OF SHORT-TERM EXPOSURE: EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: PHYSICAL PROPERTIES Boiling point: 284°C Melting point: 5.5°C Relative density (water = 1): 1.19 Solubility in water, g/100 ml at 20°C: 0.43 Vapour pressure, Pa at 20°C: 0.8 Relative vapour density (air = 1): 6.69 Flash point: 146 °C c.c. Auto-ignition temperature: 490°C Explosive limits, vol% in air: 0.9 at 180°C- 8.0 at 109°C Octanol/water partition coefficient as log Pow: 1.47-2.12 ENVIRONMENTAL DATA The substance is harmful to aquatic organisms. N O T E S Common name: DMP. Other melting points: the commercial product freezes around 0°C. NFPA Code: H1; F1; R0 ADDITIONAL INFORMATION ICSC: 0261 DIMETHYL PHTHALATE (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.