Allantoin, Leveling Agent

Allantoin Allantoin 2002 Chemical Name: Allantoin Abbrev: Allantoin Technical indexes: Appearance: White crystal powder Content(%)≥98 PH Value4.0-7.0 Melting Point228----232 Loss on Drying (%)≤0.5 Ignition Residual (%)≤0.1 Heavy Metal (mg/kg)≤10 Features: 1) Acetaldehyde diacyl thiourea diacyl thiourea allantoin: It is white crystal, odorless and smellless, can dissolve in sparse ethanol and glycerin, but not in ethanol, chloroform, aether and other organic solvents, a little dissolve in cold water, but when temperature is high, it can easy dissolve. The PH value of its saturated aqueous solution is 5.5. It can be directly used in pharmaceuticals, and also can being additive to use, to cure various skin disease, accelerate the growing of skin cell, improve the healing of wound and ease pain. Usually was used to cure gastritis and duodenum ulcer disease. In light industry, being additive, it can be directly or indirectly used in cosmetics and other daily chemical products, such as toothpaste, shampoo, soap etc. It has good functions of lubricating, protecting tissue, hydrophile and preventing water from dissipating. In agriculture, it was used as plantation growth hormone, to increase production of wheat, orange, rice, vegetable and etc. It has function of fixing fuit, ripening and etc., and it is also a necessary material to make composite fertilizer, microorganism fertilizer, slow-release fertilizer or low-effect fertilizer and fertilizer of rare earths. Further, it can be used as material to make vanillin, hydroxy benzhexol and etc. Technical index a) Appearance: white crystal and crystal powder b) Melting point: 228 233oC c) Burning residue: 0.1% 2) Leveling agent: Its property keeps stable in hard water, acid solution or lye, so it is an excellent dispersant. It is widely used in printing and dyeing industry, as dye, reverting dye, acid dye, dispersing dye and leveling agent of positive ion dye, and also wool lotion. Technical index: a) Appearance: white slice solid b) Solvency: easy to dissolve in water c) PH value (in 1% water): 6 7 d) HLB value: 14.7 e) Cloud point: 90 95oC