最新何首乌字谜完整版

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    • Product:DL-Mandelic acid 90-64-2
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      • DL-Mandelic acid 90-64-2
      • DL-Mandelic acid 90-64-2
      • DL-Mandelic acid 90-64-2
      • DL-Mandelic acid 90-64-2
    Product information

    Product:DL-Mandelic acid 90-64-2


    CAS NO:90-64-2


    90-64-2 Synonyms:最新何首乌字谜完整版acidomandelico;Almond acid;alpha-hydroxy-alpha-toluicaci;alpha-hydroxy-benzeneaceticaci;alpha-Phenylhydroxyacetic acid;alpha-Toluic acid, alpha-hydroxy-;Amigdalinicacid;Amygdalinic acid


    90-64-2 Package:25 kg drum 


    90-64-2 Structure:

    90-64-2


    Mandelic acid 90-64-2 Specs:(Cosmetic Grade)

    最新何首乌字谜完整版Appearance:White crystals

    最新何首乌字谜完整版Assay:99%min

    最新何首乌字谜完整版Solubility:soluble in water and ether

    MP:118-121

    最新何首乌字谜完整版Assay(Cl-):0.01%max

    Heavy Metal:20ug/g max

    最新何首乌字谜完整版Residue on ignition:0.1%max

    Loss on drying:0.5%max


    Mandelic acid 90-64-2 Application:

    Mandelic acid has a long history of use in the medical community as an antibacterial, particularly in the treatment of urinary tract infections.It has also been used as an oral antibiotic, and as a component of "chemical face peels", along with other alpha-hydroxy acids (AHAs).

    1.The drugs cyclandelate and homatropine are esters of mandelic acid.

    2.Pemoline is synthesized by the condensation of the ethyl ester of mandelic acid with guanidine.

    3.Amolanone


    Origin of Mandelic acid 90-64-2:

    Mandelic acid was discovered in 1831 by the German pharmacist Ferdinand Ludwig Winckler (1801–1868) while heating amygdalin, an extract of bitter almonds, with diluted hydrochloric acid.The name is derived from the German "Mandel" for "almond". Derivatives of mandelic acid are formed as a result of metabolism of adrenaline and noradrenaline by monoamine oxidase and catechol-O-methyl transferase.


    Synthesis of Mandelic acid 90-64-2:

    Mandelic acid is usually prepared by the acid-catalysed hydrolysis of mandelonitrile,which is the cyanohydrin of benzaldehyde.Mandelonitrile can also be prepared by reacting benzaldehyde with sodium bisulfite to give the corresponding adduct,forming mandelonitrile with sodium cyanide, which is hydrolyzed:

    90-64-2



    Related Products:139-07-1,CAS 60-12-8,507-20-0,90-64-2,heptane 142-82-5,25895-60-7,420-04-2,156-62-7.


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