L-Aspartic Acid
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L-Aspartic acid (L-aspartate) is a nonessential amino acid that plays a key role in the malate-aspartate shuttle in the cell. It is widely used as an ingredient in infusion and infant formula.
Cas.No
56-84-8
Assay
99.0-101.0%
Specification
White crystals or crystalline powder, odorless, slightly acid taste
Applications
Infusion
Packaging
25kg&50kg
Pharmacopeia
JP,USP,EP,FCC
STORAGE
Controlled room temperature in tight container
SPECIFICATION AND PROCEDURE
· * The endotoxin-certified grade will be supplied on request.
State of solution
(Transmittance)
Not Less Than 98.0%
pH
2.5~3.5
Specific rotation[α]20D
+24.5~+25.5°
Ammonium (NH4)
Not More Than 0.020%
Chloride (Cl)
Not More Than 0.020%
Sulfate (SO4)
Not More Than 0.020%
Iron (Fe)
Not More Than 10 ppm
Heavy metals (Pb)
Not More Than 10 ppm
Lead (Pb) **
Not More Than 5 ppm
Arsenic (As2O3)
Not More Than 1 ppm
Loss on drying
Not More Than 0.20%
Residue on ignition
Not More Than 0.10%
Related substances
Not More Than 0.4%
Endotoxin*
Less Than 6.0 EU/g
Assay (dry basis)
99.0~101.0%
· ** This test is done for FCC grade.
· This product meets requirements of residual solvents listed in the current JP, USP and EP.