• Type:Amino Acid
  • CAS No:
  • Qty in 20' FCL:
  • Min. Order:
  • QC:Haccp,Kosher,Halal,Iso

 Product name : L-Cystine


1: physico-chemical property

 Appearance: white crystalline powder


 Specific rotation (a D 20°C):220°C;
 State of Solution(Transmittance):≥98.0%;
 chloride(cl) :≤0.020%;
 Ammonium(NH4) :≤0.02%;
 Sulfate(SO4) :≤0.020%;
 Beavy metals(Pb) :≤10ppm;
 Other amino acids:Chromatographically,not detectable;
 Loss on drying:≤0.20%;
 Residue on ignition(sulfated):0.10%;
2: Usage

1. Used in biochemical research. Preparation of biological medium. Used in biochemical and nutritional research, medicine has the body to promote the cell oxidation and reduction function, increase white blood cell and prevent pathogens such as development role. Mainly used for all kinds of hair loss syndrome. Also used for dysentery, typhoid, influenza and acute infectious disease, asthma, neuralgia, eczema, and various poisoning disease, etc., and maintain the function of protein configuration. They are also used as food additive agent.

2. Biochemical reagent, used for biological preparation of media. Is amino acid infusion and compound amino acid preparation of important component.

3. Be feed nutrition enhancer, be helpful for animal growth, increase the weight and liver and kidney function, improve the quality of fur.

4. Can make cosmetic additives, can promote wound healing and prevent skin allergy and treatment effect such as eczema.

Quality index:

Specific rotatory power[α] D20
-215º -225º
≥ 98.0%
Ammonium salt[NH4]
≤ 0.02%
≤ 0.02%
Residue on ignition
≤ 0.10%
≤ 0.02%
Iron salt[Fe]
≤ 10 ppm
Heavy metal[Pb]
≤10 ppm
Arsenic salt
≤1 ppm
Other amino acid
Color layer can not be checked out.
Loss on drying
98.5 -101.0%