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L-Glutamic acid
SKU:AMA021
Description:
Description:
Name:L-Glutamic acid
Molecular Formula:C9H17NO4.HCl
Molecular Weight:239.70
CAS:1118-89-4
EINECS:214-270-4
| ITEMS | LIMIT |
| Appearance | White crystals or crystalline powder |
| Specific rotation[α]20/D | +31.5 to +32.2° |
| (C=10 in 2N HCl) | |
| Chloride (Cl) | Not more than 0.020% |
| Ammonium (NH4) | Not more than 0.02% |
| Sulfate (SO4) | Not more than 0.020% |
| Iron (Fe) | Not more than 10ppm |
| Heavy metal(Pb) | Not more than 10ppm |
| Arsenic(As2O3) | Not more than 1ppm |
| Other Amino Acids | Chromatographically |
| Not detectable | |
| Loss on drying | Not more than 0.10% |
| Residue on ignition(sulfated) | Not more than 0.10% |
| Assay | 99.0% to 100.5% |
| pH | 3.0 to 3.5 |
L-Glutamic acid is white crystal or crystal powder, odorless and have special taste and acid. It is insoluble in water. It can be used to medicine and food additive.
Function: L-glutamic acid is be used as nutrition supplement, salt-substitution and fresh-taste product. And it is be used to synthesis some chiral compound and medicine intermediate in fine chemical industry.
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