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L-Cysteine HCL

L-Cysteine HCL
1. Cas No.: 52-89-1
2. Appearance: White crystalline powder
3. EINECS: 200-157-7
4. Molecular Formula: C3H8ClNO2S
5. Molecular Weight: 157.62
6. MOQ: 25kg
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Product Details

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.

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Product Introduction

Prodcut NameL-Cysteine HCL
SynonymsCystein chloride
Cas No.52-89-1
Molecular FormulaC3H8ClNO2S
Molecular Weight157.62
AppearanceWhite crystalline powder
GradeFood&Beverage/Cosmetic/Pharmaceutical/Health supplement
Shelf Life2 Years


PH Value1.5 ~ 2.01.8
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 AcidsNot dectectedNot dectected


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

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1. Applied in food & beverage field

2. Applied in cosmetics field

3. Applied in health product field

4. Applied in pharmaceutical field

L-cysteine hcl application.jpg

Packaging & Delivery

1-5kgMore than 25kg
packed in an aluminum foil bag inside and paper carton outsidepacked in paper drum
Custom Design
Shelf LifeTwo years when properly stored
Storage: Stored in dry and cool place, keep away from strong light and heat

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Shipping Terms
By ExpressBy AirBy 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



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