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105707 L-Methionine

L-Methionine for biochemistry. CAS 63-68-3, pH 5 - 7 (10 g/l, H₂O, 20 °C).

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

Synonyms: Met

105707
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Overview

Replacement Information

Key Spec Table

CAS #Empirical Formula
63-68-3C₅H₁₁NO₂S

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      Description
      Catalogue Number105707
      SynonymsMet
      References
      Product Information
      CAS number63-68-3
      EC number200-562-9
      Hill FormulaC₅H₁₁NO₂S
      Molar Mass149.21 g/mol
      HS Code2930 40 10
      Structure formula ImageStructure formula Image
      Quality LevelMQ100
      Applications
      ApplicationL-Methionine for biochemistry. CAS 63-68-3, pH 5 - 7 (10 g/l, H₂O, 20 °C).
      Biological Information
      Physicochemical Information
      Density1.34 g/cm3 (20 °C)
      Melting Point280 °C
      pH value5 - 7 (10 g/l, H₂O, 20 °C)
      Bulk density550 kg/m3
      Solubility48 g/l
      Dimensions
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat 36000 mg/kg
      Safety Information according to GHS
      RTECSPD0457000
      Safety Information
      Product Usage Statements
      Storage and Shipping Information
      Packaging Information
      Transport Information
      Supplemental Information
      Specifications
      Assay (perchloric acid titration, calculated on dried substance)≥ 99.0 %
      Identity (IR-spectrum)passes test
      Appearancewhite or almost white, crystalline powder or colorless crystals
      Appearance of solution (0.5 mol/l, hydrochloric acid 1 mol/l)clear and colorless
      Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance)+22.5 to +23.5
      UV-Absorption (260 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l)≤ 0.50
      UV-Absorption (280 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l)≤ 0.20
      Chloride (Cl)≤ 0.02 %
      Sulfate (SO₄)≤ 0.01 %
      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 (105 °C; 3 h)≤ 0.3 %
      Global Trade Item Number
      Catalogue Number GTIN
      1057070025 04022536067612