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104351 L-Histidine

L-Histidine for biochemistry. CAS 71-00-1, pH 7.7 (10 g/l, H₂O, 20 °C).

L-Histidine MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: His

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104351
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Overview

Replacement Information

Key Spec Table

CAS #Empirical Formula
71-00-1C₆H₉N₃O₂

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      1043510100
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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
          Density1.449 g/cm3 (20 °C)
          Melting Point285 °C (decomposition)
          pH value7.0 - 8 (15.5 g/l, H₂O, 25 °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)≤ 5.0 ppm
          Ca (Calcium)≤ 10 ppm
          Co (Cobalt)≤ 5 ppm
          Fe (Iron)≤ 5 ppm
          K (Potassium)≤ 100 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 %
          Global Trade Item Number
          Catalogue Number GTIN
          1043510025 04022536050294
          1043510100 04022536050300