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    Guanidine hydrochloride

    Structural formula:HN=C(NH2)2•HCL

    Molecular formula:CH5N3•HCL

    Molecular weight:95.5

    Standard:Industry-grade standard and officinal-grade standard

    Item Technical index
    Industrial grade Officinal grade
    Appearance white crystal white crystal
    Assay≥ 99% 99.5%
    Ammonium salt≤ 0.5% 0.1%
    Moisture≤ 0.5% 0.3%
    Ash content≤ 0.5% 0.05%
    60% water solution colorless transparent colorless transparent
    M.P. range °C 182-186 184-188
     
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