L-ASPARTIC ACID

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DESCRIPTION:
White, odorless, crystals or crystalline powder, having a slightly acidic taste. It is slightly soluble in water but insoluble in alcohol and ether. It melts at about 270¡æ.
¡¡¡¡Chemical Name: L-Aminosuccinic acid
¡¡¡¡Molecular Formula: C4H7NO4
¡¡¡¡Molecular Weight:133.10


Specifications(FCC¢ô,1996)
Items
Specifications
Identification:

Corresponds
Assay(on dry basis ): 98.5%¡«101.5%
Specific Rotation[¦Á] D20¡æ : +24.5¡ãto +26.0¡ã
Heavy Metal(as Pb):

10ppm Max
Residue on Ignition :

0.1% ppm Max
Arsenic(as As ):
2ppm Max
Fe:
0.01% Max
Loss on Drying: 0.20%
Chlorides 0.02% Max
Ammoniums(as NH4)
0.05% Max
Ash 0.1% Max
Sulphates 0.04% Max
Other Amino Acid No

MAIN FUNCTION AND PURPOSE:
L-Aspartic acid can be added into cool drinks as nutrition supplement. It is used in medicine as ammoniac detoxicating agent, hepar function accelerator or fatigue refresher, And it can also be used in biochemical reagent, medium and intermediate in organic synthesis.
PACKING:
25kg net in white paper bag lined with PE bag,20MT/20¡äFCL(with palletized).
STORAGE: ¡¡
Kept airtightly in a light £­ proof,dry and cool place.
Chengdu Chang Yuan Shun Co., Ltd

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