Alfa Aesar™ L-Cysteine, 98+%

Manufacturer: Alfa Aesar™ A104350B

Quantity 1000g

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Catalog No. AAA104350B

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    Chemical Identifiers

    CAS 52-90-4
    Molecular Formula C3H7NO2S
    Formula Weight 121.16g/mol
    MDL Number MFCD00064306
    Beilstein 1721408
    Merck Index 14,2781
    Synonym L-2-Amino-3-mercaptopropionic acid; H-Cys-OH
    Chemical Name or Material L-Cysteine

    Specifications

    Quantity 1000g,1000g
    Melting Point ≈220°C (dec.)
    Odor Odorless
    Optical Rotation +7.9° (c=5 in 5N HCl)
    CAS 52-90-4
    Molecular Formula C3H7NO2S
    Formula Weight 121.16g/mol
    MDL Number MFCD00064306
    Beilstein 1721408
    Merck Index 14,2781
    Synonym L-2-Amino-3-mercaptopropionic acid; H-Cys-OH
    Health Hazard 1 Warning
    Health Hazard 2 GHS H Statement
    H302
    Harmful if swallowed.
    Health Hazard 3 GHS P Statement
    P264-P270-P301+P312-P330-P501a
    Wash thoroughly after handling.
    Do not eat, drink or smoke when using this product.
    IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
    Rinse mouth.
    Dispose of contents/container in accordance with local/regional/national/international regulations.
    RTECS Number HA1600000
    TSCA TSCA
    Chemical Name or Material L-Cysteine
    Assay ≥98%

    Description

    Applications
    L-Cysteine 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. Also used for the cleavage of disulfide bonds in the hair ft.s keratin. 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. Its derivative, N-acetyl-L-cysteine is used as a dietary supplement. It acts as an antidote to acetaminophen overdose and prevents liver failure. It protects nerves from oxidation and thereby prevents illnesses like Alzheimer ft.s and Parkinson ft.s. Being an essential amino acid, it used as animal feed especially for sheep, which is responsible the growth of wool.

    Solubility
    Soluble in water, alcohol, acetic acid and aqueous ammonia. Insoluble in ether, acetone, ethyl acetate, benzene, carbon disulfide and carbon tetrachloride

    Notes
    Air sensitive. Incompatible with strong oxidizing agents.

    GHS H Statement
    H302
    Harmful if swallowed.

    GHS P Statement
    P264-P270-P301+P312-P330-P501a
    Wash thoroughly after handling.
    Do not eat, drink or smoke when using this product.
    IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
    Rinse mouth.
    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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