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| Customization: | Available |
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| CAS No.: | 142-47-2 |
| Formula: | C5h8o4nna·H2O |
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Sodium glutamate is a sodium salt of the amino acid glutamate. It is an odorless colorless crystal that disintegrates and melts at 232 ° C. The solubility of sodium glutamate is very good, and it can dissolve 74 grams of sodium glutamate in 100 ml of water.
| Item | Limit | Test result |
| Appearance | White or colorless crystal | conforms |
| Assay | 98% MIN. | 99.0% |
| State of solution (transmittance) |
Clear and colorless not less than 89% | 90% |
| Sodium chloride (NaCl) | Not more than 10% | 8.8% |
| Ammonium (NH4) | Not more than 0.02% | Not more than 0.02% |
| Sulfate (SO4) | Not more than 0.028% | Not more than 0.028% |
| Iron (Fe) | Not more than 10 ppm | Not more than 10 ppm |
| Lead (Pb) | Not more than 2 ppm | Not more than 2 ppm |
| Arsenic (AsO3) | Not more than 0,5 ppm | Not more than 0,5 ppm |
| Chlorides | Not more than 0,2% | Not more than 0,2% |
| Other amino acids | conforms | conforms |
| Loss on drying | Not more than 0.80% | 0.4% |
| Pyrrolidonocarboxyl acid | ≤0,2% | ≤0,2% |
| Specific rotation | +24.8 ~ +25.3 | 25.0 |
| Zn | Not more than 5 ppm | Not more than 1 ppm |
| PH | 6.7 ~ 7.2 | 7.0 |
As a food flavoring agent
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