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102837 L-Cystine

L-Cystine for biochemistry. CAS 56-89-3, molar mass 240.30 g/mol.

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

Synonyms: Cys

102837
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Overview

Replacement Information

Key Spec Table

CAS #Empirical Formula
56-89-3C₆H₁₂N₂O₄S₂

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      Description
      Catalogue Number102837
      SynonymsCys
      References
      Product Information
      CAS number56-89-3
      EC number200-296-3
      Hill FormulaC₆H₁₂N₂O₄S₂
      Molar Mass240.30 g/mol
      HS Code2930 90 12
      Structure formula ImageStructure formula Image
      Quality LevelMQ100
      Applications
      ApplicationL-Cystine for biochemistry. CAS 56-89-3, molar mass 240.30 g/mol.
      Biological Information
      Physicochemical Information
      Density1.66 g/cm3 (20 °C)
      Melting Point210 °C (decomposition)
      Bulk density300 kg/m3
      Solubility0.19 g/l insoluble
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      RTECSHA2690000
      Safety Information
      Product Usage Statements
      Storage and Shipping Information
      Packaging Information
      Transport Information
      Supplemental Information
      Specifications
      Assay (bromatometric, calculated on dried substance)99.0 - 101.0 %
      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 not more intense in color than reference solution Y₇
      Spec. rotation (α 20/D, 20 g/l, hydrochloric acid 1 mol/l, previously dried substance)-225 to -215
      Chloride (Cl)≤ 200 ppm
      Sulfate (SO₄)≤ 500 ppm
      Heavy metals (as Pb)≤ 10 ppm
      As (Arsenic)≤ 5 ppm
      Ca (Calcium)≤ 10 ppm
      Co (Cobalt)≤ 5 ppm
      Fe (Iron)≤ 5 ppm
      K (Potassium)≤ 5 ppm
      Mg (Magnesium)≤ 5 ppm
      Na (Sodium)≤ 50 ppm
      Pb (Lead)≤ 5 ppm
      Zn (Zinc)≤ 5 ppm
      Ninhydrin - positive substances (LC) (largest single impurity)≤ 0.2 %
      Ninhydrin - positive substances (LC) (Sum of all impurities)≤ 0.5 %
      NH₄ (Ammonium)≤ 0.01 %
      Loss on drying (105 °C; 3 h)≤ 0.2 %
      Global Trade Item Number
      Catalogue Number GTIN
      1028370025 04022536037325