International Chemical Safety Cards 2,6-DIAMINOTOLUENE ICSC: 0340 2-Methyl-1,3-benzenediamine 1,3-Diamino-2-methylbenzene 2-Methyl-m-phenylenediamine C6H3CH3(NH2)2 / C7H10N2 Molecular mass: 122 ICSC #    0340 CAS #     823-40-5 RTECS # XS9750000 EC #         612-111-00-7 October 16, 2001 Peer reviewed TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Combustible. NO open flames. Water spray, foam, dry powder. EXPLOSION EXPOSURE AVOID ALL CONTACT!  •INHALATION Blue lips or finger nails. Blue skin. Cough. Dizziness. Headache. Shortness of breath. Confusion. Convulsions. Nausea. Unconsciousness. Ventilation, local exhaust, or breathing protection. Fresh air, rest. Artificial respiration may be needed. Refer for medical attention.  •SKIN Redness. 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 (Further see Inhalation). Do not eat, drink, or smoke during work. Wash hands before eating. Rinse mouth. Give plenty of water to drink. Refer for medical attention. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. (Extra personal protection: P2 filter respirator for harmful particles.) Do NOT let this chemical enter the environment. Well closed. Xn symbol N symbol R: 21/22-43-51/53-68 S: 2-24-36/37-61 SEE IMPORTANT INFORMATION ON BACK ICSC: 0340 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 2,6-DIAMINOTOLUENE ICSC: 0340 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: COLOURLESS CRYSTALS . TURNS BROWN ON EXPOSURE TO AIR. PHYSICAL DANGERS: CHEMICAL DANGERS: On combustion, forms toxic fumes of nitrogen oxides. OCCUPATIONAL EXPOSURE LIMITS: TLV not established. ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation, through the skin and by ingestion. INHALATION RISK: Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed. EFFECTS OF SHORT-TERM EXPOSURE: The substance is irritating to the eyes , the skin and the respiratory tract . The substance may cause effects on the blood , resulting in formation of methaemoglobin. The effects may be delayed. Medical observation is indicated. EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: Repeated or prolonged contact with skin may cause dermatitis. Repeated or prolonged contact may cause skin sensitization. PHYSICAL PROPERTIES Boiling point: 289°C Melting point: 105-106°C Solubility in water: poor Vapour pressure, kPa at 150°C: 2.13 ENVIRONMENTAL DATA The substance is toxic to aquatic organisms. N O T E S Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available. Depending on the degree of exposure, periodic medical examination is suggested. ADDITIONAL INFORMATION ICSC: 0340 2,6-DIAMINOTOLUENE (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.