Crystals or powder or crystalline powder or fused solid
Assay (Non-aqueous acid-base Titration)
≥98.0 to ≤102.0% (non-U.S. specification)
Assay from Suppliers CofA
≥98.0% (U.S. specification)
Comment
Specification differs for U.S. and non-U.S. material where indicated
Descripción
Este producto de marca Thermo Scientific Chemicals formó parte originalmente de la cartera de productos Alfa Aesar. Alguna información sobre documentos y etiquetas puede referirse a la marca original. El producto original Alfa Aesar / código de artículo original o la referencia SKU no ha cambiado como parte de la transición de la marca a Thermo Scientific Chemicals.
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′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′s and Parkinson′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.
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