Add: Linxiang Industrial Park, Hunan Province, China
Tel: 86-730-8355226
Fax: 86-730-8355226
Mob: 86-15607306299
Email: serena@hfhvpower.com
Web:www.hfhvpower.com
Pharmacological Action ：It can dissolve protein, increase protein hydration, improve the skin penetrability, and has the function of anti-bacteria, anti-itch and dehydration.
Application: It is extensively used in ointments and injections, and indicated for treatment of ichthyosis, rhagades manus et pedes, palmoplantar keratoderma, pityriasis rubra pilaris, eczema rhagadiforme, senile pruritus and hemangiomas.
The
Main Quality Specification: A special purified
process was developed and applied to manufacture medicinal urea in our company. The urea produced by our
company is with high purity, low impurity content and stable quality. The content of urea is not less than 99.7%. And the content
of main impurity, biuret, is not more than
0.1%. And the quality specification in detail see Table 4.
Table 4 The Main Quality Specification of Medicinal Urea
|
Test items |
The quality of
product |
|
|
Appearance |
It is a colourless prismatic crystal or white
crystalline powder, almost odourless, salty and
cold. A small quantity of ammonia will be given off after it is stored for a
long time. The aqueous solution of the product is neutral. |
|
|
Melting Point |
132-135℃ |
|
|
Identification |
Identification 1 |
Positive reaction |
|
Identification 2 |
Positive reaction |
|
|
IR Spectrum |
The IR spectrum of sample is consistent with the standard
substance（No. 210 in Spectrogram Collection） |
|
|
Chloride |
≤ 0.0003% |
|
|
Sulphate |
≤ 0.001% |
|
|
Insoluble Substances
in Ethanol |
≤ 2mg |
|
|
Residue on Ignition |
≤0.1% |
|
|
Heavy Metal |
＜ 20ppm |
|
|
Biruet |
≤ 0.1% |
|
|
Ferrum |
≤ 0.001% |
|
|
Free Ammonia |
≤ 0.005% |
|
|
Content of urea |
≥ 99.7% |
|
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Tel:86-730-8355226 Fax:86-730-8355226 Mob: 86-15607306299 Email: serena@hfhvpower.com Address:Linxiang Industrial Park, Hunan Province, China
