... , it is soluble in alcohol, acetone Maleic Anhydride 99.51) Properties:Its a kind of white crystallization, ... , 1.4-butylene glycols etc.(3) Quality IndexItemsParametersPurity (%)≥99.5Crystallization point ≥52.4Ashes (%)≤0.005Iron content (based on ... and fire. The shelf time may be 3 months.(5) Toxicity & ProtectionIt is toxic, and detrimental to respiratory ... payment:T/T in advance Maleic Anhydride 99.5%