Allantoin; 5-Ureidohydantoin; 2, 5-Dioxo-4-Imidazolidinyl Urea; Gloyoxylic Acid Diureide; Cosmetic Additive CAS NO.97-59-6

HSCODE:29332100
Allantoin is a pure non-toxic,tasteless,non-irritating,non-allergic white crystals,single prismatic crystal o colorless crystalline powder,soluable in hot water,hot alcohol and dilute sodium hydroxide solution.slightly soluble in room temperature water and alcohols,insoluble in organic solvents such as ether and chloroform;its saturated aqueous solution(concentration 0.6%) was slightly acidic;PH of 5.5;PH value is 4-9 in the aqueous solution stability.In the non-aqueous solvents and dry air is also stable;in strong alkaline solution boiling and is in direct sunlight can be broken down.