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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 - 282 °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
      Storage class10 - 13 Other liquids and solids
      WGKWGK 1 slightly hazardous to water
      Disposal3
      Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
      Safety Information
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +5°C to +30°C.
      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