102839 L-Cysteine hydrochloride monohydrate

Overview

Replacement Information

Key Specifications Table

Empirical FormulaCAS #
C₃H₈ClNO₂S * H₂O 7048-04-6

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                  Description
                  Catalogue Number102839
                  SynonymsCys, L-Cysteinium Chloride Monohydrate, L-Cysteine Hydrochloride, Monohydrate
                  References
                  Product Information
                  CAS number7048-04-6
                  EC number200-157-7
                  Hill FormulaC₃H₈ClNO₂S * H₂O
                  Molar Mass175.64 g/mol
                  HS Code2930 90 16
                  Structure formula ImageStructure formula Image
                  Quality LevelMQ100
                  Applications
                  Biological Information
                  Physicochemical Information
                  Density1.54 g/cm3
                  Melting Point168 - 170 °C
                  pH value0.8 - 1.2 (100 g/l, H₂O, 20 °C)
                  Vapor pressure<0.1 hPa (20 °C)
                  Bulk density780 kg/m3
                  Solubility650 g/l
                  Dimensions
                  Materials Information
                  Toxicological Information
                  Safety Information according to GHS
                  Hazard Pictogram(s) Hazard Pictogram(s)
                  Hazard Statement(s)H319: Causes serious eye irritation.
                  Precautionary Statement(s)P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
                  Signal WordWarning
                  RTECSHA2285000
                  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 below +30°C.
                  Packaging Information
                  Transport Information
                  Supplemental Information
                  Specifications
                  Assay (alkalimetric, calculated on dried substance)98.5 - 101.0 %
                  Identity (IR-spectrum)passes test
                  Identity (Chloride)passes test
                  Appearancewhite or almost white, crystalline powder or colorless crystals
                  Appearance of solution (25 g/l, water)clear and not more intense in color than reference solution BY6
                  Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance)+5.5 to +7.0
                  Spec. rotation (α 25/D, 80 g/l, hydrochloric acid 6 mol/l, calc. on dried substance)+5.7 to +6.8
                  Sulfate (SO₄)≤ 300 ppm
                  Heavy metals (as Pb)≤ 10 ppm
                  Fe (Iron)≤ 20 ppm
                  Related Compounds, total (TLC)≤ 0.5 %
                  Ninhydrin-positive substances (LC) (impurity A (570 nm))≤ 0.5 %
                  Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity)≤ 0.2 %
                  Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %
                  Ninhydrin-positive substances (LC) (total impurities)≤ 1.0 %
                  Residual solvents (ICH Q3C)excluded by manufacturing process
                  Sulfated ash (600 °C)≤ 0.1 %
                  Loss on drying (Vacuum < 0.7 kPa, P₂O₅, 24 h)8.0 - 12.0 %
                  Bacterial endotoxins≤ 6.0 I.U./g

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                  Categories

                  Life Science Research > Inhibitors and Biochemicals > Biochemicals > Amino Acids and Derivatives