CAS No: 56-89-3
Molecular Formula: C6H12N2O4S2
Molecular Weight: 185.29
EINECS NO: 200-296-3
Package: 25KG/Drum,25kg/Bag
Quality Standards: Crude cystine,USP, AJI

Product Detail

Product Tags

Characteristics: White crystalline or crystalline powder, soluble in dilute acid and alkali solutions, very insoluble in water, insoluble in ethanol.

Item Specifications
Appearance White crystals or crystalline powder
Specific rotation [a]D20° -215.0o ~ -225.0o
Transmittance ≥98.0%
Loss on drying ≤0.20%
Residue on ignition ≤0.10%
Chloride (Cl) ≤0.02%

Ammonium (NH4)

Sulfate ≤0.02%
Iron(Fe) ≤10ppm
Heavy metals(Pb) ≤10ppm
Transmittance ≥98.0%
pH Value 5.0~6.5
Organic Volatile Impurities Meets the requirements
Chromatographic Purity Meets the requirements
Assay 98.5%~101.0%

Uses: Pharmaceuticals, food additive,feed nutrition, cosmetics and other industries.
1. It is used for the preparation of biological culture medium, it has the functions of promoting the oxidation and reduction of body cells, making the liver function vigorous, promoting the proliferation of white blood cells and preventing the development of pathogenic bacteria. Mainly used for various alopecia. It is also used for acute infectious diseases such as dysentery, typhoid fever, influenza, asthma, neuralgia, eczema and various toxic diseases, etc., and has the function of maintaining protein configuration.It assists in the formation of the skin and is important for detoxification. By reducing the body’s ability to absorb copper, cystine protects cells from copper poisoning. When it is metabolized, it will release sulfuric acid, and sulfuric acid will chemically interact with other substances to increase the detoxification function of the entire metabolic system.To assist the supply of insulin, insulin is necessary for the body to utilize sugar and starch.
It is also an important component of amino acid infusion and compound amino acid preparations;
2.Used as a nutritional supplement and flavoring agent. Used for breast emulsification of milk powder. Dough strength enhancer, used in bakery food (yeast starter), baking powder.
3.As a feed nutrient fortifier, it is beneficial to animal development, increasing body weight and liver and kidney function, and improving the quality of fur.
4.It can be used as cosmetic additives to promote wound healing, prevent skin allergies and treat eczema.

Stored:in dry, clean and ventilated places. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years.

hhou (1)

Q1: What testing equipment does your company have?
A1: Analytical Balance, Constant Temperature Drying Oven, Acidometer, Polarimeter, Water Bath, Muffle Furnace, Centrifuge, Grinder, Nitrogen Determination Instrument, Microscope.

Q2: Are your products traceable?
A2: Yes. Difference product have difference batch, the sample will be keep for two year.

Q3: How long is the validity period of your products?
A3: Tow years.

Q4: What are the specific categories of your company’s products?
A4: Amino acids, Acetyl amino acids, Feed additives, Amino acid fertilizers.

Q5: What fields are our products mainly used in ?
A5: Medicine, food, cosmetics, feed, agriculture

  • Previous:
  • Next:

  • Write your message here and send it to us