Allantoin 2002 type HN-AL-005 Cosmetics and medicine grade A. Molecular formula :C4H6N4O3 B. Molecular weight :158.12 C. Specification: 1) Appearance: White crystalline powder 2) Melting point:228~233oC 3) Residue on ignition:≤0.1% D. Application: Allantin can boost the growth of epidermic cells and heal the wound. It can soften keratin. Use level:0.5-2%. Packaging: Packed in cardboard drum lined with polyethylene plastic bag. 10kg/bag. Storage: Stored in clean, cool, dry and airproof place. Avoid sunlight.