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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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      1.04351.0100
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          Glass bottle 100 g
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          1.04351.1000
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              1043519010
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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
                  Quality LevelMQ100
                  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 class11 Combustible 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 %