L-Methionine

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Hebei Huaheng Biological Technology Co Ltd

Business Type:Manufacturer

Country/Region:China

Ddu Verified

HOT Rank

6/10

Product Information

  • Pharmacopeia:CP
  • Shelf Life:2 years
  • Storage:Sealed

Description

Chemical Name:

Amino methylthiohufanoic acid 

Structure Formula

Molecular Formula

C5H11NO2S

Molecular Weight

149.21

Cas No

[63-68-3]

Characteristics:

      White, lustrous, or a white ,crystalline powder. It has a slight, characteristic odor. It is soluble in water, in alkali solutions, and in dilute mineral acids. It is slightly soluble in alcohol and practically insoluble in ether.

Quality Standards

AJI97

Item

Specification (AJI97)

Appearance

White crystals or crystalline powder

Assay, % (on dry matter)

98.5~101.5

Specific rotation

+21.9°~+24.1°

pH value

5.6~6.1

Loss on drying, %

0.3

Heavy metals, %

0.0015

Residue on ignition, %

0.4

Chloride,%

0.05

Sulfate,%

0.03

Arsenic, %

0.00015

Iron, %

0.003

The Characteristics and Uses:

  One composition of amino acid infusion. It is an essential amino acid for human body. And it is also used as food additive.

Package and Transport:

  This product is contained in a double-layer package, the inner layer being a sealed non-poisonous polyethylene bag or aluminium foil, and the outer layer being a 25kg drum. Packages may be arranged in accordance with customer’s requirements.

Storage:

  Stored in dry, clean and ventilated places. Protect it from moisture, heat or sunshine. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years.


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