• merck millipore,默克密理博,104350,L-组氨酸盐酸盐
  • merck millipore,默克密理博,104350,L-组氨酸盐酸盐

    产品名称:L-组氨酸盐酸盐
    产品型号:104350
    for biochemistry

    merck millipore,默克密理博,104350,L-组氨酸盐酸盐

  • 产品介绍
  • merck millipore,默克密理博,104350,L-组氨酸盐酸盐

    重要规格表

    经验配方 CAS号
    C₆H₁₀ClN₃O₂ * H₂O5934-29-2
    描述
    产品目录编号 104350
    同义词 His
    产品信息
    CAS号 5934-29-2
    EC号 211-438-9
    Hill配方 C₆H₁₀ClN₃O₂ * H₂O
    Molar Mass 209.63 g/mol
    HS代码 2933 29 90
    结构配方图像
    理化信息
    熔点 259 °C (分解)
    pH值 3.5 - 4.5 (100 g/l, H₂O, 20 °C)
    容积密度 770 kg/m³
    溶解度 169.9 g/l (20 °C)
    GHS安全信息
    RTECS MS3119000
    储存类别 10 - 13 其它液体及固体
    WGK WGK 1 轻度的水危害
    一次性 3
    反应性相对较低的有机物必须被收集在第A类, 如果被卤化则在第B类, 如果为固体残留物则归在第C类.
    规格
    规格
    Assay (alkalimetric, calculated on dried substance)≥ 99.0 %
    Identity (IR-spectrum)passes test
    Appearancewhite to almost white crystalline powder or colorless crystals
    Appearance of solution (50 g/l CO₂-free water)clear and colorless
    Spec. rotation (α 20/D, 110 g/l, hydrochloric acid 120 g/l, calc. on dried substance)9.2 - 10.6 °
    Sulphate (SO₄)≤ 0.02 %
    Heavy metals (as Pb)≤ 0.001 %
    As (Arsenic)≤ 0.0005 %
    Ca (Calcium)≤ 0.001 %
    Co (Cobalt)≤ 0.0005 %
    Fe (Iron)≤ 0.0005 %
    K (Potassium)≤ 0.0005 %
    Mg (Magnesium)≤ 0.0005 %
    Na (Sodium)≤ 0.005 %
    NH₄ (Ammonium)≤ 0.01 %
    Zn (Zinc)≤ 0.0005 %
    Foreign amino acids≤ 0.3 %
    Other ninhydrine positive substances≤ 0.1 %
    Loss on drying (150 °C)7.0 - 10.0 %

    merck millipore,默克密理博,104350,L-组氨酸盐酸盐

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