GHS:H314,H319,H335;Signal Word:Danger, Corrosive Solid
Strong hygroscopic acidic solid, dust irritates and corrodes skin, mucous membrane and eyes severely. Direct skin contact leads to erythema, burning pain and chemical erosion; immediately strip contaminated clothes and flush affected skin with large volume of running cold water over 15 minutes. Solid dust splashing into eyes causes corneal injury, continuous eye rinsing with pure water for minimum 15min and seek instant medical treatment. Inhalation of fine dust irritates respiratory tract, inducing cough and throat ache; all feeding and crushing operations must be finished inside ventilated fume hood with acid-proof gloves, splash goggles and dust respirator. Store separately from alkaline substances, metal powder and food additives in dry ventilated storage room. Waste residue and waste aqueous solution belong to acidic hazardous waste, must be collected by certified professional hazardous waste disposal enterprise in accordance with local environmental rules, forbidden direct discharge into sewer or natural soil.