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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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      1057070100
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          1057071000
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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
              1057070100 04022536067629
              1057071000 04022536067636