SAFECID CR 919 Multi-Purpose Degreaser is a safe yet fully functional alkaline cleaner with a pH of fourteen (14) and is as strong as conventional sodium hydroxide with better performance features. SAFECID CR 919 aggressively dissolves and breaks down grease, oil, fats, and protein based deposits. SAFECID CR 919 has a slower spend rate than sodium hydroxide, doesnÃÂt give off any hazardous fumes, is noncorrosive, nonhazardous, nonregulated by US DOT and Canadian TDG regulated, is 100% biodegradable and carries a triple zero HMIS (hazardous materials index system) rating. SAFECID CR 919 General Degreaser biodegrades in 10 days or less and is approved by the US EPA as a Designed for the Environment (DfE) product. WARNINGS: - Wear protective eye wear. In the event of eye contact rinse eyes with water. - Extended exposure or soaking in product may cause stinging in open sores, cuts or around fingernails. Use of nitrile gloves is suggested. - As with any cleaners keep out of reach of children. - Product will attack aluminium.