L - Cysteine

Product Code: 52-90-3
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Legal Number

(CAS RN) : 52-90-3


Molecular

Formula: C3H7NO2

Weight: 121.16


Appearance of physical and chemical properities:

  • Twin monoclinic or orthgonal crystallization
  • Melting point 178oC, (a) + 26.5(mol/L HCL)
  • Imine tastes
  • In neutral or slightly alkaline solution easy oxidation by air into cystine
  • Acidic environment is stable

Solubility:

  • Soluble in water, ethanol
  • not soluble in ethanol, propanol, ethyl acetate, stupid, carbon disulfide, carbon tetrachloride

Uses:

  1. Treatment of skin conditions such as eczema, urticaria, freckles
  2. Widely used in medicine, food and cosmetics industries.

Standard:

  • AJI92

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Tags: 52-90-3