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Product Details

L-methionine, also known as L-methionine, is the levorotatory form of methionine; colorless or white luster flaky crystal or white crystalline powder, slightly special smell, slightly bitter taste. Unstable to strong acid, can cause demethylation. Soluble in water (5.6g/100mL, 30 ℃), warm dilute ethanol, alkaline solution or dilute inorganic acid. Hardly soluble in ethanol, hardly soluble in ethyl ether. 

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Product Introduction

Prodcut NameL-Methionine
SynonymsL-2-Amino-4-(methylthio)butyric acid
Cas No.63-68-3
Molecular FormulaC5H11NO2S
Molecular Weight149.21
AppearanceWhite crystalline powder
GradeFood&Beverage/Cosmetic/Pharmaceutical/Health supplement
Shelf Life2 Years


AppearanceWhite crystalline powderConforms
Specific Optical Rotation+22.4°~ +24.7°+23.18°
PH Value5.6~6.15.86
Loss on Drying≤0.3%0.19%
Residue on Ignition≤0.4%0.34%
Heavy Metals (as Pb)≤0.0015%<0.0015%
Chloride (as Cl)≤0.05%<0.05%
Iron (as Fe)≤0.003%<0.003%


1. L-Methionine is an important nutrient for proper functioning of muscles and the entire cardiovascular system
2. L-Methionine is an antioxidant that can be found in meat and dairy products
3. L-Methionine is beneficial for treating liver disease, and is recommended for people who adhere to a vegetarian diet. It also benefits skin tone and elasticity, nails and hair
4. L-Methionine is important for proper cardiovascular and muscular functions as well, through its role in the production of creatine

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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

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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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