Hazard class: Acute toxicity, oral and inhalation (Category 3). Toxic if swallowed or inhaled (H301+H331). Do not eat, drink or smoke when using this product (P270). Hazard class: Skin corrosion or irritation (Category 2). Causes skin irritation (H315). Hazard class: Sensitization, skin and respiratory tract (Category 1). May cause an allergic skin reaction, allergy or asthma symptoms or breathing dif!culties if inhaled (H317+H334). Avoid breathing dust or fumes (P261). Hazard class: Germ cell mutagenicity (Category 2). Suspected of causing genetic defects (H341). Obtain special instructions before use (P201). Do not handle until all safety precautions have been read and understood (P202). Use personal protective equipment as required (P281). Hazard class: Carcinogenicity (Category 1). May cause cancer (H350). Nickel compounds are known human carcinogens by inhalation of dust (IARC-1). Hazard class: Reproductive toxicity (Category 1). May damage fertility or the unborn child (H360). Hazard class: Speci!c target organ toxicity, repeated exposure (Category 1). Causes damage to organs through prolonged or repeated exposure (H372).