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    Tel: 86-730-8355226

    Fax: 86-730-8355226

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    Email: serena@hnruhong.com

    Web:www.celebrexpharm.com

     

    Urea

    Current Location:Home > Products > Urea

    Medicinal Urea





     


    Pharmacological ActionIt 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 substanceNo. 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@hnruhong.com Address:Linxiang Industrial Park, Hunan Province, China

    中字无码AV在线电影,中文字幕AV无码一区电影DVD,久播影院无码中文字幕