102836 L-Cystine

102836
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      Overview

      Replacement Information

      Key Spec Table

      CAS #EC NumberHill FormulaMolar MassGrade Value
      56-89-3200-296-3C₆H₁₂N₂O₄S₂240.30 g/molFCC

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      1028360001
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          Plastic bottle 3 x 500 g
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          1028361000
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              Plastic bottle 1 kg
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              1028369029
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                  Double PE Sack 25 kg
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                  Description
                  Catalogue Number102836
                  SynonymsCys
                  References
                  Product Information
                  CAS number56-89-3
                  EC number200-296-3
                  GradeFCC
                  Hill FormulaC₆H₁₂N₂O₄S₂
                  Molar Mass240.30 g/mol
                  HS Code2930 90 13
                  Structure formula ImageStructure formula Image
                  Applications
                  ApplicationL-Cystine suitable for biopharmaceutical production FCC. CAS 56-89-3, molar mass 240.30 g/mol.
                  Biological Information
                  Physicochemical Information
                  Density1.677 g/cm3 (20 °C)
                  Melting Point261 - 262 °C (decomposition)
                  Bulk density300 kg/m3
                  Solubility0.19 g/l insoluble
                  Dimensions
                  Materials Information
                  Toxicological Information
                  Safety Information according to GHS
                  RTECSHA2690000
                  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 (ex N, calc. on dried substance)98.5 - 101.5 %
                  Identity (IR-spectrum)passes test
                  Appearancewhite to almost white, fine-crystalline powder
                  Appearance of solution (100 g/l, hydrochloric acid  2 mol/l)clear and colorless
                  Spec. rotation (α 20/D, 20 g/l, hydrochloric acid 1 mol/l, previously dried substance)-215 to -225
                  Heavy metals (as Pb)≤ 10 ppm
                  Pb (Lead)≤ 5 ppm
                  Ninhydrin - positive substances (LC) (largest single impurity)≤ 0.2 %
                  Ninhydrin - positive substances (LC) (Sum of all impurities)≤ 0.5 %
                  Sulfated ash (800 °C)≤ 0.1 %
                  Loss on drying (105 °C; 3 h)≤ 0.2 %
                  Corresponds to FCC V