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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 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 +2°C to +30°C.
                  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
                  1.02837.0025 04022536037325
                  1.02837.0100 04022536037332
                  1.02837.1000 04022536037349
                  1.02837.9010 04022536692661