L-cysteine ethyl ester hydrochloride is breakdown under 240 °C, soluble in water, alchol and acetic acid, ammonia water, insoluble in ether, benzene, acetone, ethyl acetate, carbon disulfide and carbon tetrachloride. Its aqueous solution or micro alkaline solution can be air oxidation into cystine, acid solution is relatively stable.
Product Introduction
| Prodcut Name | L-Cysteine HCL |
| Synonyms | Cystein chloride |
| Cas No. | 52-89-1 |
| EINECS | 200-157-7 |
| Molecular Formula | C3H8ClNO2S |
| Molecular Weight | 157.62 |
| Appearance | White crystalline powder |
| Grade | Food&Beverage/Cosmetic/Pharmaceutical/Health supplement |
| Packaging | Drum |
| Shelf Life | 2 Years |
Analysis
| Analysis | Specification | Results |
| Assay | ≥98.0～102.0% | 99.29% |
| PH Value | 1.5 ～ 2.0 | 1.8 |
| Specific Optical Rotation[a]D20° | + 5.6o ~ +8.9o | + 6.9o |
| Transmittance | ≥ 98.0% | 98% |
| Loss on Drying | ≤ 1.0% | 0.80% |
| Residue on Ignition | ≤ 0.1% | 0.06% |
| Heavy Metals (as Pb) | ≤0.001% | ＜0.001% |
| Arsenic (as As) | ≤0.0001% | ＜0.0001% |
| Other Amino Acids | Not dectected | Not dectected |
Function
1. Food grade: flour improver, nutritional supplement, antioxidants
2. Medicine grade: In pharmacy, cysteine is used in the treatment of radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and can prevent liver degeneration
3. Comestic grade: whiting skin, dissolving cutin, anti-aging. The component of cosmetics marcel extract, sunscreen, germinal perfume, hair essence
Application
1. Applied in food & beverage field
2. Applied in cosmetics field
3. Applied in health product field
4. Applied in pharmaceutical field
Packaging & Delivery
| 1-5kg | More than 25kg |
| packed in an aluminum foil bag inside and paper carton outside | packed in paper drum |
| Custom Design | |
| Shelf Life: Two years when properly stored | |
| Storage: Stored in dry and cool place, keep away from strong light and heat | |
| Shipping Terms | ||
| By Express | By Air | By Sea |
Suitable for under 50kg Fast: 3-7 days High cost Door to door service Easy to pick up the goods | Suitable for more than 50kg Fast: 3-7 days High cost Port to port service Professional broker needed | Suitable for more than 50kg Fast: 3-7 days Low cost Port to port service Professional broker needed |
Contact us
Address: Room 810, Unit 1, Zhuque Seven-Star International Apartment, Zhuque Street,Yanta District, Xi'an, 710075
Tel: 0086-029-68750642/68750658
Fax: 0086-029-68750658
Email: info@nutragreenlife.com
http://www.nutragreen-extracts.com/l-cysteine
