L-Cysteine hydrochloride monohydrate, 99%, Alfa Aesar™

Manufacturer: Alfa Aesar A1038936

Quantity 500g

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Catalog No. AAA1038936

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    Chemical Identifiers

    CAS 7048-04-6
    Molecular Formula C3H7NO2S·HCl·H2O
    Formula Weight 175.64g/mol (157.62g/mol, Anhydrous)
    MDL Number MFCD00065606
    Beilstein 5158059
    Merck Index 14,2781
    Synonym H-Cys-OH.HCl.H2O
    Chemical Name or Material L-Cysteine hydrochloride monohydrate

    Specifications

    Melting Point ≈175°C (dec.)
    pH 1 to 2
    Quantity 500g
    Optical Rotation +5.5° (c=5 in 5N HCl)
    CAS 7048-04-6
    Molecular Formula C3H7NO2S·HCl·H2O
    Formula Weight 175.64g/mol (157.62g/mol, Anhydrous)
    MDL Number MFCD00065606
    Beilstein 5158059
    Merck Index 14,2781
    Synonym H-Cys-OH.HCl.H2O
    Health Hazard 1 Warning
    Health Hazard 2 GHS H Statement
    H315-H319-H335;
    Causes skin irritation.
    Causes serious eye irritation.
    May cause respiratory irritation.
    Health Hazard 3 GHS P Statement
    P261-P280-P305+P351+P338-P304+P340-P405-P501a;
    Avoid breathing dust/fume/gas/mist/vapours/spray.
    Wear protective gloves/protective clothing/eye protection/face protection.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
    IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
    Store locked up.
    Dispose of contents/container in accordance with local/regional/national/international regulations.
    RTECS Number HA2285000
    TSCA TSCA
    Chemical Name or Material L-Cysteine hydrochloride monohydrate
    Assay 99%

    Description

    Applications
    L-Cysteine hydrochloride monohydrate is used as a precursor in food, pharmaceutical and personal care products. It is actively involved in the production of flavors such as meat flavor obtained by reacting with sugars. It plays an important role as a key raw material for the manufacture of N-acetyl-L-cysteine, S-carboxymethyl-L-cysteine and L-cysteine base. It is involved in the treatment of liver disease as an antioxidant and antidote. Being an essential amino acid, it used as animal feed especially for sheep, which is responsible the growth of wool.

    Solubility
    Soluble in cold water.

    Notes
    Air and light sensitive. Hygroscopic. Keep container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents, metals and hydrogen chloride.

    GHS H Statement
    H315-H319-H335;
    Causes skin irritation.
    Causes serious eye irritation.
    May cause respiratory irritation.

    GHS P Statement
    P261-P280-P305+P351+P338-P304+P340-P405-P501a;
    Avoid breathing dust/fume/gas/mist/vapours/spray.
    Wear protective gloves/protective clothing/eye protection/face protection.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
    IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
    Store locked up.
    Dispose of contents/container in accordance with local/regional/national/international regulations.

    Warning

    SDS & Safety Documents

  • Description & Specifications
  • Safety and Handling

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