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    Add: Linxiang Industrial Park, Hunan Province, China

    Tel: 86-730-8355226

    Fax: 86-730-8355226

    Mob: 86-15607306299

    Email: serena@hnruhong.com

    Web:www.celebrexpharm.com

     

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    Succeed in producing hyperpure urea!

     

    English Name: Urea

    Chemical Name: Carbamide            

    Formula Weight: 60.06

    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 of Medicinal Urea

    Test items

    The quality of product

    Appearance

    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

    NMT0.0003%

    Sulphate

    NMT0.001%

    Insoluble Substances in Ethanol

    NMT2mg

    Residue on Ignition

    NMT 0.1%

    Heavy Metal

    NMT20ppm

    Biruet

    NMT0.1%

    Ferrum

    NMT0.001%

    Free Ammonia

    NMT0.005%

    Content of urea

    not less than 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