Hazard class: Skin and eye damage, corrosion or irritation (Category 1). Causes severe skin and eye burns and damage (H314+H318). Do not breathe mist, vapors or spray (P260). Hazard class: Acute toxicity, oral and inhalation (Category 4). Harmful if swallowed or inhaled (H332+H302). Avoid breathing mist, vapors or spray (P261). Do not eat, drink or smoke when using this product (P270). Hazard class: Corrosive to metals (Category 1). May be corrosive to metals (H290