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L-Glutamic Acid |
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Chemical Name: (S)-2-Aminopentanedioic acid
Molecular Formula: C5H9NO4 
Molecular Weight: 147.13
Cas NO: [ 56-86-0 ]
Characteristics: White crystals or crystalline powder
Quality Standards: AJI92 etc. |
Specification Sheet
(AJI92) |
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Expiry Period : 2 years
Packaging: 25kg / drum |
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Items |
Specifications |
Description |
White crystals or crystalline powder |
Assay, % |
99.0 ~ 100.5 |
Identification |
Infrared absorption spectrum |
Specific rotation, ° |
+31.5 ~ +32.5 |
State of solution, % |
≥98.0 |
Chloride (Cl) , % |
≤0.020 |
Ammonium (NH4) , % |
≤0.02 |
Sulfate (SO4) , % |
≤0.020 |
Iron (Fe), ppm |
≤10 |
Heavy metals (Pb) , ppm |
≤10 |
Arsenic (As2O3) , ppm |
≤1 |
Other amino acids |
Conforms |
Loss on drying, % |
≤0.1 |
Residue on ignition (sulfated) , % |
≤0.10 |
PH |
3.0 ~ 3.5 |
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