L-Aspartic Acid

Molecular formula      C4H7NO4
Molecular weight      133.10
Quality standard      AJI92, AJI97,FCCIV
molecular structure     
Item      Standard
Assay%      99.0~100.0
transmittance%      ≥98.0
Specific rotation[α]D20      +24.8°~+25.8°
[pH]      :2.5~3.5
Residue on ignition%      ≤0.1
Chloride[Cl]%      ≤0.02
Sulfate[SO42-]%      ≤0.03
Loss on drying%      :≤0.20
Arsenic[As]ppm      ≤1
Heavy Metals[Pb]ppm      ≤10
Ammonium salt[NH4]%      ≤0.05
Iron[Fe]ppm      ≤10
Foreign amino acids      :without
Function      L-Aspartic acid is a kind of important natural amino acid. Industry it is mainly used as heart disease medicine, liver function accelerant, ammonia antidote, fatigue eliminating medicament and one component of amino acid transfusion. It can be used as biologic and chemic reagent, culture medium and organic synthesized intermediate.
     
Package      25Kg cardboard barrel within liner, or 25Kg knitting bag plastic liner, also can be decided according to be customers demand.
     
Storage      Kept in a well-closed, light-resistant, dry and cool place