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Allantoin
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Description

 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.


Features

 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.


Specification

 

Item

Index

1. Appearance

White powder

2. Smell

Odorless

3. Assay%≥
Nitrogen Content%≥

99.0
35.00-35.50

4. PH value0.5%W.S

3.50-6.50

5. Drying Loss%≤

0.20

6. Sulphuric Acid Ash %<

0.10

7. Sulphate%<

0.02

8. Chlorides%<

0.004

9. Heavy MetalPb%<

0.001

10. Substituted glycolurils%<

0.20

11. M.P.°C

decomposed at about 230 °C

12. Density g/cc

0.70



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Chemland Group Inc
Address:NO.10 HongKong Middle Rd, Qingdao,China ,China
Visitors:
Tel:8653266888201


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