Allantoin / Alantan ( 5-Ureidohydantoin) 

CAS No.97-59-6  

Chemical Name: 5-Ureidohydantoin; Allantoin

Alias:  (2,5-dioxo-4-imidazolidinyl)-urea
Molecular Formula:  158.12

1. Properties

pure product is non-toxic, odorless and non-irritating white crystal, m.p. 226-240°C; soluble in hot water, alcohols and diluted sodium hydroxide solution; slightly soluble in norm-temperature water and alcohols, insoluble in ether and chloroform; pH-value of its saturated aqueous solution (concentration 0.6%)is 5.5; stable with PH 4-9; stable in non-water solution and dry air; can be decomposed in boiling alkali solution and under insolation.

2.Specification:

3.Application:

It is an important fine chemicals widely used in pharmacy, light industry, agriculture, daily chemicals and bio-engineering:
1. In Pharmacy: can boost the growth of cells and healing up of wound; also effective to xerodermia, osteomyelitis and hepatocirrhosis etc. 
2. In cosmetics: can keep moisture of skin; widely used in freckles cream, shampoo, soap, toothpaste etc. 
3. In agriculture: used as plant growth regulator of wheat, rice, vegetables and tea.

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