Phosphoric acid

Fertilizer production, metal finishing, rust/scale removers, household and industrial cleaners, beverage and food processing [1][2].

Breathing mists at work; skin or eye contact when using concentrated cleaners or automotive/rust products; accidental swallowing; small amounts in some sodas/processed foods [1][2].

Causes irritation and chemical burns; eye exposure can lead to serious damage; inhaling mists can trigger cough and shortness of breath; repeated airborne exposure may erode tooth enamel and irritate airways [1][2].

Workers in fertilizer manufacture, metal treatment, car repair/detailing, and janitorial/cleaning; people with asthma or lung disease; anyone using concentrated products without protection [1][2].

Choose less corrosive or diluted products; wear gloves and eye protection; ventilate well; follow labels and avoid mixing cleaners; store securely; at work, use local exhaust and proper PPE [1][2].