ICSC 0529 - OXALIC ACID Page 1 of 2 [ EN - FI - HU ] OXALIC ACID ICSC: 0529 Peer-Review Status: 24.11.2009 Validated Ethanedioic acid CAS #: 144-62-7 RTECS #: Formula: C 2H2O4 / (COOH) 2 RO2450000 Molecular mass: 90.0 UN #: 3261 EC #: 607-006-00-8 EINECS #: 205-634-3 TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE-FIGHTING Combustible. Gives off irritating or toxic NO open flames. Use water spray, powder, foam, FIRE fumes (or gases) in a fire. carbon dioxide. In case of fire: keep drums, etc., EXPLOSION cool by spraying with water. PREVENT EXPOSURE DISPERSION OF DUST! Cough. Sore throat. Burning sensation. Use ventilation Fresh air, rest. Half-upright Shortness of breath. Laboured (not if powder), position. Refer immediately for Inhalation breathing. Headache. local exhaust or medical attention. breathing protection. Redness. Pain. Skin burns. Protective gloves. Remove contaminated clothes. Protective Rinse skin with plenty of water or Skin clothing. shower for at least 15 minutes. Refer for medical attention . Redness. Pain. Blurred vision. Burns. Wear face shield Rinse with plenty of water (remove or eye protection contact lenses if easily possible). Eyes in combination Refer immediately for medical with breathing attention. protection. Sore throat. Burning sensation. Do not eat, drink, Rinse mouth. Do NOT induce Abdominal pain. Laboured breathing. or smoke during vomiting. Refer immediately for Ingestion Convulsions. Paralysis. Cardiac work. Wash medical attention. dysrhythmia. Shock or collapse. hands before eating. SPILLAGE DISPOSAL PACKAGING & LABELLING Personal protection: particulate filter respirator adapted Do not transport with food and feedstuffs. to the airborne concentration of the substance, protective EC Classification gloves and safety goggles. Sweep spilled substance into Symbol: Xn; R: 21/22; S: (2)-24/25 covered plastic containers. If appropriate, moisten first to UN Classification prevent dusting. Wash away remainder with plenty of UN Hazard Class: 8; UN Pack Group: III water. GHS Classification Signal: Danger Harmful if swallowed Causes severe skin burns and eye damage May cause respiratory irritation http://www.ilo.org/dyn/icsc/showcard.display?p_lang=en&p_card_id=0529 2013 -08 -15 ICSC 0529 - OXALIC ACID Page 2 of 2 EMERGENCY RESPONSE SAFE STORAGE NFPA Code: H3; F1; R0. Separated from strong oxidants and food and feedstuffs. Dry. Well closed. IMPORTANT DATA Physical State; Appearance Routes of exposure HYGROSCOPIC COLOURLESS CRYSTALS OR The substance can be absorbed into the body by WHITE POWDER. inhalation of its aerosol and by ingestion. Serious local effects by all routes of exposure. Physical dangers No data. Inhalation risk Evaporation at 20°C is negligible; a harmful Chemical dangers concentration of airborne particles can, however, be Decomposes on contact with hot surfaces or flames. This reached quickly when dispersed. produces formic acid and carbon monoxide. The solution in water is a medium strong acid. Reacts violently with Effects of short-term exposure strong oxidants. This generates fire and explosion The substance is corrosive to the eyes, skin and hazard. Reacts with some silver compounds. This respiratory tract. Corrosive on ingestion. The substance produces explosive silver oxalate. Attacks some forms of may cause effects on the calcium balance after ingestion. plastic. Exposure at high levels could cause death. Occupational exposure limits Effects of long-term or repeated exposure TLV: 1mg/m³ as TWA; (ACGIH 2009). Repeated or prolonged contact with skin may cause EU OEL ( selected): 1mg/m³ as TWA;. dermatitis. Exposure may result in kidney stones, slow- healing ulcers and black finger nails. PHYSICAL PROPERTIES ENVIRONMENTAL DATA Decomposes: see Notes. Melting point: 189.5°C Density (at °C): 1.9 g/cm³ Solubility in water, g/100ml at 20°C: 9-10 (moderate) Octanol/water partition coefficient as log Pow: -0.81 NOTES Oxalic acid may sublime at temperatures >100 °C at reduced pressure. Optimal sublimation temperature is 157 °C. At higher temperatures it partly decomposes. Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available. Some producers do not classify this substance under UN 3261. ADDITIONAL INFORMATION IPCS Prepared in the context of cooperation between the International Programme on International Chemical Safety and the European Commission Programme on © IPCS 2004-2012 Chemical Safety LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information. http://www.ilo.org/dyn/icsc/showcard.display?p_lang=en&p_card_id=0529 2013 -08 -15.