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Property: White crystalline powder with barely perceptile out and acid taste. soluble in hot water, slightly soluble in water, practically insoluble in ethanol,acetone,aether
Appearance: White crystalline powder
Cas No.: 56-86-0
EINECS No.: 200-293-7
Molecular Formula:C5H9NO4
Molecular Weight: 147.13
Specification:
Item | CP2010 | EP6 | AJI92 | USP32 |
Assay | ≥98.5% | 98.5~100.5% | 98.5~100.5% | 98.5~100.5% |
pH | 3.0~3.5 | |||
Specific rotation[a]D020 | +31.5°~+32.5° | +30.5o~+32.5o | +31.5~+32.4o | |
[a]D025 | +30.5°~+32.5° | |||
Transmittance(T430) | clear & colorless | ≥98.0% | ≥98.0% | |
Chloride(Cl) | ≤0.02% | ≤0.020% | ≤0.020% | ≤0.02% |
Ammonium(NH4) | ≤0.02% | ≤0.020% | ≤0.020% | ≤0.01% |
Sulfate(SO4) | ≤0.02% | ≤0.020% | ≤0.020% | ≤0.03% |
Iron(Fe) | ≤5ppm | ≤10ppm | ≤10ppm | ≤10ppm |
Heavy metals(Pb) | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm |
Arsenic | ≤1ppm | ≤1ppm(As2O3) | ||
Other amino acids | ≤0.50% | Conforms | Conforms | ≤0.50% |
Loss on drying | ≤0.50% | ≤0.50% | ≤0.10% | ≤0.50% |
Residue on ignition | ≤0.10% | ≤0.10% | ≤0.10% | ≤0.10% |
pyrogen | Conforms |
Storage Condition:Store in cool and dry places. Keep away from strong light.
Package: 25kg/drum
Application: (1) L-Glutamic acid is one of the important products the amino acid series. It is widely used in medical, chemical and food industries.
(2) It can be used as a salt substitute, a dietary supplement and a flavor enhancer and used as a preventive agent for forming magnesium ammonium phosphate crystal in marine product, tins of shrimps and crabs etc.
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