Effects may be delayed. Health Effects - Chronic May cause erosion of the teeth, lesions on the skin, bronchial irritation, coughing and pneumonia. This material is not considered to be a carcinogen. Persons with pre-existing skin disorders or eye diseases may be more susceptible. Chronic exposure to mists or fumes may result in erosion of the teeth, bronchial irritation with chronic cough and attacks of bronchial pneumonia.
Vapour is severe irritant to the eyes, mucous membranes and respiratory tract.
Exposure to high concentrations of acid in the form of liquid, vapour, mist or the decomposition product nitrogen dioxide, may lead to pulmonary oedema. Symptoms and effects from overexposure may be delayed several hours. Burns Extensive burns are dangerous and may be fatal. Seek medical aid immediately. Swallowed DO NOT induce vomiting.