International Chemical Safety Cards 2,4-DINITROANILINE ICSC: 1107 2,4-Dinitrobenzenamine 2,4-Dinitrophenylamine 1-Amino-2,4-dinitrobenzene C6H5N3O4 / C6H3(NH2)(NO2)2 Molecular mass: 183.1 ICSC #    1107 CAS #     97-02-9 RTECS # BX9100000 UN #        1596 EC #         612-040-00-1 October 19, 1999 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 In case of fire: keep drums, etc., cool by spraying with water. EXPOSURE PREVENT DISPERSION OF DUST!  •INHALATION Cough. Sore throat. Local exhaust or breathing protection. Fresh air, rest. Refer for medical attention.  •SKIN MAY BE ABSORBED! Redness. Pain. Protective gloves. Protective clothing. Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.  •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 Do not eat, drink, or smoke during work. Wash hands before eating. Rinse mouth. Give plenty of water to drink. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Do NOT let this chemical enter the environment. (Extra personal protection: P3 filter respirator for toxic particles). Separated from strong oxidants, food and feedstuffs . Well closed. Do not transport with food and feedstuffs. T+ symbol N symbol R: 26/27/28-33-51/53 S: 1/2-28-36/37-45-61 UN Hazard Class: 6.1 UN Packing Group: II SEE IMPORTANT INFORMATION ON BACK ICSC: 1107 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 2,4-DINITROANILINE ICSC: 1107 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: YELLOW NEEDLE-LIKE CRYSTALS OR GREENISH-YELLOW PLATES OR BRIGHT YELLOW SOLID , WITH CHARACTERISTIC ODOUR. PHYSICAL DANGERS: CHEMICAL DANGERS: May explode on heating or friction. The substance decomposes on heating producing toxic fumes including nitrogen oxides. Reacts with oxidants. OCCUPATIONAL EXPOSURE LIMITS: TLV not established. ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation of its aerosol and through the skin and by ingestion. 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: The substance may have effects on the blood , resulting in formation of methaemoglobin. PHYSICAL PROPERTIES Melting point: 187-188°C Density: 1.62 g/cm3 Solubility in water: none Flash point: 222-224°C c.c. Octanol/water partition coefficient as log Pow: 1.84 (estimated) ENVIRONMENTAL DATA The substance is harmful 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. Transport Emergency Card: TEC (R)-875/61G12 NFPA Code: H 3; F 1; R 3; ADDITIONAL INFORMATION ICSC: 1107 2,4-DINITROANILINE (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.