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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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          		 Plastic bottle 100 g
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          1057071000
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              		 Plastic bottle 1 kg
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              1057079010
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                  		 Plastic drum 10 kg
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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
                  1057079010 04022536692753