Nitric Acid (68%) Safety Data Sheet Chemical Identity Chemical Name Nitric Acid Chemical Classification Inorganic Acid Formula HNO3 CAS Number 7697-37-2 UN Number 2031 Shipping Name Nitric Acid Codes / Label Corrosive, Oxidiser, Class 8 Hazardous waste ID No. 16 Hazchem Code 2 PE Physical / Chemical Data Boiling Point / Range 120 Deg. C Melting / freezing Point - 40 Deg. C Physical State Watery Liquid Specific Gravity 1.40 Solubility in water Soluble PH Acidic Appearance Colourless to Brown Odour Choking Odour Fire / Explosion Hazard Data Flammability No LEL / UEL Not Pertinent Flash Point Not Pertinent Autoignition Temperature Not Pertinent Explosion Sensitivity to Impact Stable Explosion Sensitivity to Static Electricity Stable Hazardous Combustion Products May emit poisonous oxides of Nitrogen and Acid fumes Oxidiser Yes Corrosive Material Yes Combustible / Flammable / Explosive Material No Health Hazards / First Aid Measures Seek Medical help immediately in case of ingestion / inhalation / contact with skin. In the meanwhile following actions are recommended. Inhalation Remove the victim to fresh air area. Provide artificial respiration if required. Ingestion Give large quantities of water. Do not induce vomiting. Contact with skin Flush the affected area with plenty of water for long time. Preventive Measures Avoid contact with liquid or vapours. Provide air mask, rubber acid suit, hood, boots, gloves, safety goggles, face shield to the workmen. Water shower and eye wash basin should be provided near the workplace. Spills Dilute with water and neutralise with alkali.