Product Name

D-Aspartic acid

CAS No.

1783-96-6

Molecular Weight

133.10

Molecular Formula

C₄H₇NO₄

Structural Formula

Quality Standard

AJI92

Packing

25kg paper drum with inner PE bag

Shelf Life

2 Years, Keep in cool and dry place,Protecte from light

ITEM

SPECIFICATIONS

Appearance

White crystals or crystalline powder

Assay

98.5%~101.0%

Specific Rotation [a]D20

-24.0°~ -26.0°

Transmittance

≥98.0%

PH

2.5 ~ 3.5

Loss on Drying

≤0.20 %

Residue on Ignition

≤0.10%

Chloride(Cl)

≤0.02%

Ammonium (NH4+)

≤0.02%

Sulfate(SO42-)

≤0.02%

Iron (Fe)

≤10 PPM

Heavy Metals

≤10 PPM

Lead (Pb)

≤3 PPM

Arsenic (As)

≤1 PPM

Cadmium (Cd)

≤1 PPM

Mercury (Hg)

≤0.1 PPM

Total Plate Count

≤1000 cfu/g

Yeast & Molds

≤100 cfu/g

Salmonella

Negative

S.Aureus

Negative