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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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              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 92
              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
              1.04351.0025 04022536050294
              1.04351.0100 04022536050300
              1.04351.1000 04022536050317