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Supply Best Price 99% Purity CAS 56-86-0 L-Glutamic Acid Powder | ||
Name | L-Glutamic acid | |
Appearance: | White or colorless scale-like crystals | |
CAS No.: | 56-86-0 | |
MF: | C5H9NO4 | |
MW: | 147.13 | |
Melting point: | 160°C | |
Flash point: | 207.284°C | |
Boiling point: | 419.133°C at 760 mmHg |
Items | Specifications | Results |
Description | White crystals or crystalline powder | Conforms |
Identification(IR) | concordant with the reference spectrum | Conforms |
Assay | 99~101% | 99.6% |
PH | 3.0~3.5 | 3.2 |
Specific rotation[]D | +31.5°~+32.5° | +31.9° |
State of solution | ≥98.0% | 98.5% |
Heavy metals(Pb) | ≤10ppm | <10ppm |
Arsenic(As) | ≤1ppm | <1ppm |
Other amino acids | ≤0.5% | <0.5% |
Loss on dying | ≤0.50% | 0.14% |
Residue on ignition | ≤0.10% | 0.06% |
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