Chemical Name：

L-Glutamic acid (S)-2-Aminopentanedioic acid

Structure Formula：

Molecular Formula：

C₅H₉NO₄

Molecular Weight：

147.13

Cas No：

56-86-0

Characteristics：

White crystalline powder, fairly hygroscopic, dissolves readily in water. 

Quality Standards：

 AJI92 etc.  

Item

Specifications (AJI92 )

Appearance

White crystalline powder

Assay , %

99.0~100.5

Specific rotation

+31.5°~+32.5°

Loss on drying, %

≤0.1

Transmittance, %

≥98.0

Chloride (as Cl), %

≤0.02

Sulfate (as SO₄), %

≤0.02

Ammonium as (as NH₄), %

≤0.02

Iron (as Fe), %

 ≤0.001

Heavy Metals (as Pb), %

 ≤0.001

Arsenic (as As), %

 ≤0.0001

pH Value

  3.0~3.5

Residue on ignition, %

≤0.1

Other amino acid

  No detd

The Characteristics and Uses：

    L-Glutamic acid is one of the important products the amino acid series. It is widely used in medical, chemical and food industries.

A. Main Uses in medicine: It is used for one of materials of essential factor meals as dietary supplement on clinical use and used as one of components in the composition of amino acid infusion. And it can be used as a supplement brain preparation of mental disorder and low intallect children, also used to treat epilepsy hypertension and memory hinder etc.

B. Main Uses in food field: It can be used as a salt substitute, a dietary supplement and a flavor enhancer and used as a preventive agent for forming magnesium ammonium phosphate crystal in marine product, tins of shrimps and crabs etc.

Package and Transport：

   With round paperboard drum 25kgs per drum.

      Handle with care. Protect the product from sunshine or rain. Do not transport them together with poisonous or harmful goods. This product belongs to the non-dangerous category and can be transported as a general chemical product.

Storage：

   Stored in dry, clean and ventilated places. 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.