Factory Wholesales Food Grade Amino Acids CAS. 56-89-3 L-Cysteine

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  • Overview
  • Product Description
  • Product Details
  • Product Parameters
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  • Company Profile
Overview

Basic Info.

Model NO.
56-89-3
Transport Package
25kg/Drum
Trademark
SNC Good Fortune
Origin
China
HS Code
2930909090

Product Description


Factory Wholesales Food Grade Amino Acids CAS. 56-89-3 L-Cysteine
Product Description

Cysteine is white crystal or crystalline powder, soluble in water, slightly smelly. The molecular formula of L-cysteine is C3H7NO2S, which belongs to non-essential amino acid, and it is an isomer of cysteine , which can be converted from methionine.
Use
1. In terms of cosmetics: it is used to produce perm essence, sunscreen, perfume, hair nourishing essence, etc. This high-grade perm essence and cold perm essence,  have the advantages of easy perm, easy to maintain hairstyle, soft and not It can also make sunscreen and hair growth perfume;
2. In medicine: cysteine is mainly used in liver medicine, antidote, expectorant and other medicines. Cysteine and its derivatives can be used for liver poisoning and detoxification, antipyretic and analgesic, ulcer treatment, fatigue recovery, infusion and comprehensive amino acid preparations, etc., especially for expectorant; treatment of bronchitis and phlegm.
3. In food: bread fermentation accelerator, preservative. Cysteine is used as a fermentation aid, an antioxidant and stabilizer for milk powder and fruit juice, and a nutritional additive for pet food, etc.;
4. L-cysteine can be used as a raw material for the production of N-acetyl-L-, carboxymethylcysteine and other cysteine derivatives.
5. Accelerate the formation of gluten and prevent aging; used in natural fruit juices to prevent the oxidation and browning of VC; prevent radiation damage.
Factory Wholesales Food Grade Amino Acids CAS. 56-89-3 L-CysteineFactory Wholesales Food Grade Amino Acids CAS. 56-89-3 L-Cysteine

Product Details
Product Name: L-Cystine
Synonyms: (r-(r*,r*))-3,3'-dithiobis(2-aminopropanoicacid);1-cystine;3,3'-dithiobis(2-amino-,(r-(r*,r*))-propanoicaci;3,3'-dithiobis(2-aminopropanoicacid);3,3'-dithiobis-l-alanin;3,3'-Dithiobis(2-aminopropanoic acid);3,3'-Dithiodialanine;Alanine, 3,3'-dithiobis-
CAS: 56-89-3
MF: C6H12N2O4S2
MW: 240.3
EINECS: 200-296-3
Product Categories: Amino Acids;Cysteine [Cys, C];Food and Feed Additive;Amino Acids;Nutritional Supplements;L-Amino Acids;Amino Acid Derivatives;amino
Mol File: 56-89-3.mol
L-Cystine Chemical Properties
Melting point  >240 °C (dec.) (lit.)
alpha  -224 º(c=2 in 1M HCl)
Boiling point  468.2±45.0 °C(Predicted)
density  1.68
refractive index  -222.5 ° (C=1, 1mol/L HCl)
storage temp.  2-8°C
solubility  1 M HCl: 100 mg/mL
form  Powder/Solid
pka 1.0, 2.1, 8.02, 8.71(at 25ºC)
color  White
optical activity [α]20/D 219±5°, c = 1% in 1 M HCl
Water Solubility  0.112 g/L (25 ºC)
Merck  14,2782
BRN  1728094
Stability: Stable. Incompatible with strong oxidizing agents.
InChIKey LEVWYRKDKASIDU-IMJSIDKUSA-N
CAS DataBase Reference 56-89-3(CAS DataBase Reference)
NIST Chemistry Reference L-Cystine(56-89-3)
EPA Substance Registry System L-Cystine (56-89-3)
Product Parameters
 

Testing Items

Specifications

Results

Appearance

White crystals or crystalline powder

Complies

Specific rotation[a] D20

     +8.3°~ +9.5°

+8.7°

State of solution

     ≥95.0%

98.5%

Chloride

     NMT 0.04%

0.03%

Ammonium

     NMT0.02%

0.015%

Sulfate

     NMT 0.03%

0.02%

Iron

NMT 10ppm

4ppm

Heavy metals (as Pb)

     NMT 10ppm

5ppm

Other Amino Acids

Chromatographically not detectable

Complies

Loss on drying

NMT 0.5%

0.3%

Residue on Ignition

NMT 0.10%

0.05%

Assay

98.0%~101.0%

99.1%

PH

4.5~5.5

5.2

 

 

Certifications

Factory Wholesales Food Grade Amino Acids CAS. 56-89-3 L-Cysteine

Packaging & Shipping

Factory Wholesales Food Grade Amino Acids CAS. 56-89-3 L-Cysteine
Factory Wholesales Food Grade Amino Acids CAS. 56-89-3 L-Cysteine
 

Company Profile

 

Factory Wholesales Food Grade Amino Acids CAS. 56-89-3 L-Cysteine

SNC was established in 2006. After years of development, Good Fortune International joined the team in 2017 to jointly provide one-stop services for global users in the research and development, production, logistics, and sales of food, medicine, nutrition and health, and sports supplements. 

The company has keen market observation and judgment, provides customers with the highest quality products and services with fast and sensitive response, and provides customers with "one-stop all-round" services! Committed to supplying healthy raw materials to the world, providing the highest quality raw materials for the world's health products, sports supplements, cosmetics, pharmaceuticals and other fields.

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