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CAS No.: 56-40-6
Molecular formular: C2H5NO2
Molecular weight: 75.07
Glycine | EP6 | AJI92 | USP40 |
Description | White or almost white，crystalline powder | White crystals or crystalline powder | / |
Solubility | Freely soluble in water,very slightly soluble in ethanol(96 percent) | / | / |
Identification | Conforms | Conforms | Conforms |
Appearance of solution | Clarity of solution:10% water solution should be clear | / | / |
Colour of solution:10% water solution should be not more intensively coloured than reference solution Y7 | |||
Assay | 98.5%-101.0% | 98.5%-101.5% | 98.5%-101.5% |
pH | 5.9 ～ 6.4 | 5.9-6.4 | / |
Transmittance | / | ≥98.0% | / |
Loss on drying | ≤0.5% | ≤0.2% | ≤0.2% |
Residue on ignition | ≤0.1% | ≤0.1% | ≤0.1% |
Ninhydrin-positive substances (TLC) | Conforms | / | / |
Chloride | ≤75ppm | ≤0.007% | ≤0.007% |
Heavy Metals | ≤10ppm | ≤0.001% | ≤0.002% |
Iron | / | ≤0.001% | / |
Sulfate | / | ≤0.006% | ≤0.0065% |
Arsenic | / | ≤0.0001% | / |
Ammonium | / | ≤0.02% | / |
Other amino acids | / | Conforms | / |
Pyrogen | / | Conforms | / |
Hydrolyzable substances | / | / | / |
Clarity of solution | / | / | / |
Color | / | / | / |
Manufacturing
