D- Aspartic Acid

Product Name

D- Aspartic Acid

CAS No.

1783-96-6

Molecular Formula

C8H12N2O8

Formula Weight

264. 1895

Standard

AJI92

Shelf Life

Two Years

Country Of Origin

China

Item

Specification

Appearance

White crystals or crystalline powder

Assay

98.5%- 101.0%

Transmittance

≥98.0%

State of solution

Clear and colorless

Loss on drying

≤0.20%

Residue on ignition

≤0. 10%

Arsenic

≤ 1 ppm

Chloride (Cl)

≤0.020%

Sulfate (SO4 )

≤0.020%

Ammonium

≤0.020%

Iron (Fe )

≤ 10 ppm

Heavy metals (Pb)

≤ 10 ppm

Specific rotation [α]D 20

-24.8°~ -25.8°

Other amino acids

Not detectable

pH value

2.5~3.5

Total plate count

≤ 1000cfu/g

Mould& Yeast

≤ 100cfu/g

Coliforms

In 25 g n.d

Salmonella

In 25 g n.d.

Staphylococcus aureus

In 25 g n.d.

Escherichia coli

Negative

Packing & Storage

Outer package: paper barrel

Inner package: double layer PE plastic bag Storage conditions: sealed, dark and dry

Application:    1. Sport nutrition

2. raw material for polypeptides for lowering and controlling blood sugar