104351 L-Histidine

104351
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      Overview

      Replacement Information

      Key Specifications Table

      Empirical FormulaCAS #
      C₆H₉N₃O₂ 71-00-1

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      1043510025
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          Glass bottle 25 g
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          1.04351.0100
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              Glass bottle 100 g
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              1.04351.1000
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                  Glass bottle 1 kg
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                  1043519010
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                      Plastic drum 10 kg
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                      Description
                      Catalogue Number104351
                      SynonymsHis
                      References
                      Product Information
                      CAS number71-00-1
                      EC number200-745-3
                      Hill FormulaC₆H₉N₃O₂
                      Molar Mass155.16 g/mol
                      HS Code2933 29 90
                      Structure formula ImageStructure formula Image
                      Applications
                      ApplicationL-Histidine for biochemistry. CAS 71-00-1, pH 7.7 (10 g/l, H₂O, 20 °C).
                      Biological Information
                      Physicochemical Information
                      Melting Point272 - 273 °C (decomposition)
                      pH value7.7 (10 g/l, H₂O, 20 °C)
                      Bulk density430 kg/m3
                      Solubility38.2 g/l
                      Dimensions
                      Materials Information
                      Toxicological Information
                      LD 50 oralLD50 Rat > 5110 mg/kg
                      Safety Information according to GHS
                      RTECSMS3070000
                      Storage class10 - 13 Other liquids and solids
                      WGKWGK 1 slightly hazardous to water
                      Safety Information
                      Product Usage Statements
                      Storage and Shipping Information
                      StorageStore at +5°C to +30°C.
                      Packaging Information
                      Transport Information
                      Supplemental Information
                      Specifications
                      Assay (acidimetric, calculated on dried substance)99.0 - 101.0 %
                      Identity (IR-spectrum)passes test
                      Appearancewhite to almost white, fine-crystalline powder or colorless crystals
                      Appearance of solution (50 g/l; water)clear and colorless
                      Spec. rotation (α 20/D, 110 g/l, hydrochloric acid 120 g/l, calc. on dried substance)+11.4 to +12.4
                      Chloride (Cl)≤ 200 ppm
                      Sulfate (SO₄)≤ 200 ppm
                      Heavy metals (as Pb)≤ 10 ppm
                      As (Arsenic)≤ 5 ppm
                      Ca (Calcium)≤ 10 ppm
                      Co (Cobalt)≤ 5 ppm
                      Fe (Iron)≤ 5 ppm
                      K (Potassium)≤ 5 ppm
                      Mg (Magnesium)≤ 5 ppm
                      Na (Sodium)≤ 100 ppm
                      Zn (Zinc)≤ 5 ppm
                      Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity)≤ 0.2 %
                      Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %
                      Ninhydrin-positive substances (LC) (total impurities)≤ 0.5 %
                      Loss on drying (105 °C; 3 h)≤ 0.2 %