NITRIC ACID

SECTION 2: Hazards identification

7697-37-2 Nitric acid 60-71% 231-714-2 (TWA) 2 ppm* Corrosive 7732-18-5 Water Balance 231-791-2 None

Hazard pictograms

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Hazard statements

35 8 SECTION 3 – Hazards Identification EMERGENCY OVERVIEW Appearance: clear to yellow. Danger! Corrosive. Strong oxidizer. Contact with other material may cause a fire. Causes eye and skin burns. Causes digestive and respiratory tract burns. Target Organs: None. Potential Health Effects Primary Route(s) of Entry: Skin contact. Eye contact. Inhalation and Ingestion. Effects of Acute Exposure May be fatal by ingestion, inhalation or skin absorption. Corrosive. LDLo ORAN-human 430 mg/kg LD50/LC50 CAS# 7697-37-2 Inhalation, rat LC50 = 67 ppm (NO2)/4H. CAS# 7732-18-5 Oral, rat LD50 = >90 mL/kg. Inhalation, rate LC50 = 1276 ppm/1H. Eyes: Causes severe eye burns and loss of vision. May cause permanent damage. Skin: May cause severe skin irritation. Causes skin burns. May cause deep, penetrating ulcers of the skin. Ingestion: Causes gastrointestinal tract burns. May cause perforation of the digestive tract. Burns in mouth, pharynx and gastrointestinal tract. Vomiting, nausea, diarrhea, abdominal pain, kidney damage and death. Inhalation: May be fatal if inhaled. Effects may be delayed. May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. Chemical pneumonitis, bronchitis, and possible death. Effects of Chronic Exposure: Repeated inhalation may cause chronic bronchitis. Repeated exposure may cause erosion of teeth. May cause erosion of the teeth, lesions of the skin, bronchial irritation, coughing, pneumonia and lung damage. To the best of our knowledge the chronic toxicity of this substance has not been fully investigated.