L-Glutamic Acid

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L-Glutamic Acid

Product Name: L-Glutamic Acid

Molecular Formula: C5H9NO4

Molecular Weight: 147.13 

CAS No: 56-86-0




Product Specifications


L-Glutamic Acid AJI92 EP8 CP2015 ( Injection Grade ) USP38
Assay 99.0-100.5% 98.5-100.5% ≥98.5% 98.5-101.5%
PH 3.0-3.5 / / /
Specific rotation[a]D20 +31.5°-+32.5° +30.5°-+32.5° +31.5°-+32.5° +31.5°-+32.5°
Specific rotation[a]D25 / / / /
Transmittance(T430) ≥98.0% clear & colorless ≥98.0% /
Chloride(Cl) ≤0.02% ≤0.02% ≤0.02% ≤0.02%
Ammonium(NH4) ≤0.02% ≤0.02% ≤0.02% /
Sulfate(SO4) ≤0.02% ≤0.03% ≤0.02% ≤0.02%
Iron(Fe) ≤10PPM ≤10PPM ≤5PPM  ≤10PPM 
Heavy metals(Pb) ≤10PPM ≤10PPM ≤10PPM ≤10PPM 
Arsenic ≤1PPM / ≤1PPM /
Other amino acids conform / ≤0.50% individual impurities≤0.5% total impurities≤2.0%
Ninhydrin-positive substances / conform / /
Loss on drying ≤0.10% ≤0.50% ≤0.50% ≤0.10%
Residue on ignition ≤0.10% ≤0.10% ≤0.10% ≤0.10%
Organic volatile impurities / / / /
Endotoxin / / conform /


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