Chemical name : 5-Ureidohydantoin
CAS # : 97-59-6
Molecular formula : C4H6N4O3
Structural formula: 
Molecular weight : 158.12
Appearance:
Allantoin is white crystal powder dissolved in hot water, hot alcohol and diluted sodium hydroxide solution, lightly soluble in water and alcohol, hardly soluble in diethyl ether, chloroform and other organic solvents
Technical index:
| Item |
top grade
|
|
appearance
|
white crystal powder
|
|
purity
|
98.5-101
|
|
PH
|
5～6
|
|
heavy metal content
|
≤ 10ppm
|
|
sulfate radical
|
≤ 10ppm
|
|
chlorinity
|
≤ 0.05%
|
|
ash content
|
≤ 0.1%
|
|
Loss on drying
|
≤ 0.2%
|
Uses:
● promotion of cell growth, wound healing, softening of cuticle; for remission and treatment of xerodermia, trauma and anabrosis
● promoting water absorbing capacity of skin, and hair
● for manufacturing of cream, emulsion, facial cleanser, pilatory, lipstick, shaving cream