[Molecular formula]C2H5NO2
[Molecular weight]75.07
[Structure formula]NH2CH2COOH
[Physical-chemistry property ]White crystal powder,sweet taste,easy to be dissolved in water, slightly dissolved in methanol and ethanol, but not dissolved in acetone and ether.
| ITEM | SPECIFICATION | ||
| Premium grade | First grade | Qualified | |
| Assay /% ≥ | 98.5 | 98.0 | 97.5 |
| Chloride /% ≤ | 0.40 | 0.50 | 0.60 |
| Loss on drying /% ≤ | 0.30 | 0.50 | |
| Fe /% ≤ | 0.003 | 0.005 | |
| Residue on ignition /% ≤ | 0.10 | —— | |
| pH value（50g/L water solution） | 5.5～7.0 | —— | |
| Clarity | clear | —— | |
