Product Name

L-Cystine cas 56-89-3

Basic Information

CAS No:56-89-3
Molecular Formula:C6H12N2O4S2
Molecular Weight:240.301
Remarks:Factory direct sales

L-Cystine Properties




White Powder



Melting point/℃208
density(Kg/m³)1400(rough estimate)
refractive index1.431
Flash point/℃71.8
storage temproom temperature

L-Cystine USES

1. For biochemical research. Preparation of biological medium. Used in biochemistry and nutrition research, it has the function of promoting oxidation and reduction of body cells, increasing white blood cells and preventing the development of pathogens. It is mainly used for various hair loss disorders. It is also used for dysentery, typhoid, influenza and other acute infectious diseases, asthma, neuralgia, eczema and various poisoning diseases, and has the role of maintaining protein configuration. Also used as food flavoring agent.
2. Biochemical reagents for the preparation of biological medium. It is also an important component of amino acid infusion and complex amino acid preparation.
3. As feed nutrition fortifier, it is beneficial to animal development, increase body weight and liver and kidney function, and improve fur quality.
4. It can be used as a cosmetic additive, which can promote wound healing, prevent skin allergies and treat eczema.

L-Cystine Packaging

Packing: 25Kg,100Kg,200Kg,1000Kg/Drum

L-Cystine storage

  1. Store barreled products in a cool, ventilated warehouse; keep away from

fire and heat sources. The warehousing temperature does not exceed 30 ℃, and the relative

humidity does not exceed 80%. Keep the container sealed; products should be stored separately

from oxidants, reducing agents, etc., and should not be mixed; be equipped with fire-fighting

equipment of appropriate variety and quantity; the storage area should be equipped with

equipment for emergency treatment of leakage and suitable containment materials;

  1. Store in a special storage tank; keep away from fire and heat sources; there is fire-fighting foam

for a fire emergency, and the tank area is equipped with equipment for the emergency treatment of


  1. Shelf life: The shelf life of this product is 6 months.

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