Product

DL-Aspartic acid

CAS No.

617-45-8

Molecular Formula

C₄H₇NO₄

Molecular Weight

176.12

Structural Formula

Quality Standard

As FCC

Packing

25 kg paper bag with inner PE bag

Shelf Life

2 years

Specification

Standard

Appearance

White Crystalline Powder

Identification

Meets the Requirements

Specific Rotation

-0.3 ~ +0.3

Assay

98.5% ~101.5%

Loss on Drying

≤0.20%

Chloride(Cl)

≤ 200 mg/kg

Sulfate (SO42-)

≤ 300 mg/kg

Iron (Fe)

≤ 10 mg/kg

Arsenic (As)

≤ 2 mg/kg

Heavy Metals (as Pb)

≤ 10 mg/kg

Ammonium (NH4)

≤ 200 mg/kg

Sulphuric Ashes

≤ 0.1%

PH(1% water solution)

2.7~3.3

Transmittance

≥ 98.0%