Nitric acid

2.1 Classification of the substance or mixture

WHMIS 2015 Classification Classified as hazardous under the Hazardous Products Regulations (SOR/2015-17) Corrosive to metals Category 1 Acute Inhalation Toxicity Category 4 Skin Corrosion/irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1

Health hazards

Not Otherwise Classified Category 1 Corrosive to the respiratory tract

Signal word

Danger

Hazard statements

May be corrosive to metals Harmful if inhaled Causes severe skin burns and eye damage Corrosive to the respiratory tract

Prevention

Wear respiratory protection Keep only in original container Do not breathe dust/fumes/gas/mist/vapours/spray Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/face protection

Response

IF INHALED: Remove person to fresh air and keep comfortable for breathing Immediately call a POISON CENTER/doctor IF SWALLOWED: Rinse mouth. Do NOT induce vomiting IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Wash contaminated clothing before reuse Absorb spillage to prevent material damage

Storage

Store locked up Store in a well-ventilated place. Keep container tightly closed Store in corrosive resistant polypropylene container with a resistant inliner Store in a dry place

Disposal

Dispose of contents/container to an approved waste disposal plant