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L-Aspartic Acid

  • CAS NO: 56-84-8
  • Grade: Food Grade
  • Purity: 99% min
  • Packaging: 25kg/drum
  • Certifications : ISO, KOSHER, HALAL, HACCP
  • Min Order: 500kg
  • Price: Inquiry

Aspartic acid (abbreviatedas D-AA, Asp, or D) is an α-amino acid with the chemical formula HOOCCH(NH2)CH2COOH. The carboxylate anion and salts of aspartic acid are knownas aspartate. The L-isomer of aspartate is one of the 22 proteinogenic aminoacids, i.e., the building blocks of proteins. Its codons are GAU and GAC.

Aspartic acid is,together with glutamic acid, classified as an acidic amino acid with a pKa of3.9, however in a peptide the pKa is highly dependent on the local environment.A pKa as high as 14 is not at all uncommon. Aspartate is pervasive inbiosynthesis. As with all amino acids, the presence of acid protons depends onthe residue's local chemical environment and the pH of the solution. 

Specification

Appearance
White crystals or crystalline powder
Assay
99~100.5%
Identification
Conforms
State Of Solution
≥98.0%
Specific Rotation
+24.8° ~ +25.8°
pH
2.5 ~ 3.5
Chloride(CL)
≤0.020%
Sulfate(SO4)
≤0.020%
Ammonium(NH4)
≤0.02%
Heavy Metals(Pb)
≤10ppm
Iron(Fe)
≤10ppm
Arsenic(As2O3)
≤1ppm
Other Amino Acids
Conforms
Loss On Drying
≤0.20%
Residue On Ignition
≤0.10%

Function

1.L-Aspartic acid can be used in the curing of cardiopathy, liver disease, high blood pressure.

2.L-Aspartic acid is a good nutrition supplement for beverage, or used as material of Aspartame.

3.L-Aspartic acid can be used as the material of resin and nutrition supplement for cosmetics.

Application

1.Applied in food field.

2.Applied in health product field.

3.Applied in pharmaceutical field.

4.Applied in cosmetics field.

5.Applied in beverage field.


CAS NO.
56-84-8
Name
L-Aspartic acid
Alias
L(+)-Aspartic acid; L-2-Aminobutanedioic acid; L-Aminosuccinic acid
Formula
C4H7NO4
Formula weight
133.10
Structural formula
Water solubility
5 g/L (25 ºC)
Specific rotatory power
25 º (c=8, 6N HCl)
Melting point
230 ºC
Safety Description
S22;S24/25   
  • Payment term: T/T 30% in advance and T/T 70% against copy of B/L. or 100% L/C at sight.
  • Shipment time: Within 3 weeks after confirming order.
  • We take photos of every stage of the process and can send them to you. Before we ship the container, you will have photos and lab test results.

Provide quality after-sale service once the container is received.

   In case the product is damaged, we will refund you or resend a new packaging.
   Also, if the goods are not as per your specification, we will callback the container at our cost, or compensate you as per our agreement.

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