Appearance White crystalline platelets or powder

Molecular Formula C5H11NO2S

Molecular Weight 149.21

Melting Point 248℃(Decomposition)

Solubility Approx.2.9g/100ml water at 20℃

Part size disitribution 20-80mesh  80mesh

Production Methionine is synthesized from petrochemical raw materials.

Quality Standard FCCIV  USP26  EP7th

Specific Values

Assay(%)min             99.0-101.0

PH value (5g/100mL in water)      5.4-6.1

Loss on drying,% max≤          0.2

Chloride(as Cl),% max≤          0.02

Heavy metals (as Pb), max≤       10ppm




Major Application

Food grade

Nutrient enrichment

Seafood products/Sesame products

Brighten and Antirust

Electroplating products

Maillard reaction

Meat-falvor essence

Pharmaceutial grade

Growth promotion and Detoxify

Pharmaceutic adjuvant and Health products


Nutritional           Matrix Value

DL-Methionine content       99.0%

Digestibility           100.0%

Protein             100.0%




DL-Methionine should be kept cool and dry in unopened original packing. Storage and conditions of 5-30℃ and 20-75% rel. humidity are recommended. Under these conditions its active content is guaranteed of 2years form the manufacturing date. The manufacturing date is part of the lot number on the package label.

Sealed storage, in a cool ventilated dry place.

Protect them from sunshine and rain.

Handle with care in order to avoid damaging the package. 


Anti-sun and rain, can’t be transported together with poisonous and harmful goods. As per the stipulate of the general chemicals to storage and transport.


Regulatory affairs

CAS NO.:59-51-8

Customs tariff number: 2930400000

DL-Methionine is approved for use in all food species according to FDA law and labeled accordingly.

DL-Methionine is not subject to dangerous goods regulations.

Safety and environment

According to International chemicals legislation, it is non toxic, and, if correctly handled, It does not irritate the skin and mucous membranes. Accordingly, it is not classified as a hazardous chemical. The usual regulations of safety and hygiene for handling of chemical should be followed.










Melamine Free

Gluten and Allergen Free



For additional information, please contact us directly.

Granray Bioproducts Co., Ltd.

E-mail: info@granraybio.comTel: +86-311-67300879


至: Zhaocounty Granray Bioproducts Co.,Ltd
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