[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,melting point:between 232-236℃(decomposition).
[Specification & Usage]Glycine industrial grade is raw material of herbicide. Refined glycine complying with quality USP/EP/BP/FCCIV, is widely used in industries of pet food, feed, food and pharmaceutical industry.
| ITEM | USP41 | EP9 | BP2007 | FCCVIIII | E640 | |
| Appearance | White crystalline powder | White crystalline powder | White crystalline powder | White crystal | ||
| Appearance of Solution | clear | clear | ||||
| Identification test(firstA,secondB,C) | A | Up to S. | Up to S. | |||
| B | Up to S. | Up to S. | ||||
| C | Up to S. | Up to S. | ||||
| Identification test | Infrared spectrum test | Up to S. | Up to S. | |||
| Ninhydrin-positive substances | Up to S. | Up to S. | ||||
| Assay | 98.5-101.5% | 98.5-101.0% | 98.5-101.0% | 98.5-101.5% | ≥98.5% | |
| Chloride | ≤0.007% | ≤75ppm | ≤0.0075% | |||
| Heavy metals(according to Pb) | ≤20ppm | ≤0.001% | ||||
| Arsenic | ≤3mg/kg | |||||
| Lead | ≤5mg/kg | ≤5mg/kg | ||||
| Sulfate | ≤0.0065% | |||||
| Ash,sulfated | ≤0.1% | ≤0.1% | ||||
| pH value | 5.9-6.4 | 5.9-6.4 | ||||
| Loss on drying | ≤0.2% | ≤0.5% | ≤0.5% | ≤0.2% | ≤0.2% | |
| Residue on ignition | ≤0.1% | ≤0.1% | ≤0.1% | |||
| Readily hydrolysable substances | Up to S. | |||||
| Mercury | ≤1mg/kg | |||||
| Ammonium | Up to S. | |||||
| Impurities | B | Up to S. | ||||
| H | Up to S. | |||||
| I | Up to S. | |||||
| Insoluble foreign matter | Fibers length | ≤5mm | ||||
| Total weight | ≤5mg/100g | |||||
| Related substances | ||||||
| Glycine anhydride | ≤0.1% | |||||
| Iminodiaceticacid | ≤0.1% | |||||
| Diglycine | ≤0.1% | |||||
| Triglycine | ≤0.1% | |||||
| Hexamethylenetetramine | ≤0.1% | |||||
| Totalimpurities | ≤0.1% | |||||
