Customization: | Available |
---|---|
CAS No.: | 97-59-6 |
Formula: | C4h6n4o3 |
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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:
ITEM |
PREMIUM GRADE |
FIRST GRADE |
Appearance |
White crystalline powder |
White crystalline powder |
Assay |
100~101.5% min |
99.0~100% min |
PH |
5~6 |
5~6 |
Heavy metals |
1ppm max |
10ppm max |
SO42- |
1ppm max |
10ppm max |
Cl-(Chloride) |
0.01% Max |
0.05% Max |
Ashes |
0.1% Max |
0.1% Max |
Loss on drying |
0.1% Max |
0.2% Max |
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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