Molecular Formula: C2H5NO2
Molecular Weight: 75.07
CAS No: 56-40-6
Glycine | CP2020 | EP11 | USP2023 |
Assay | ≥ 99.0% | 98.5-101.0% | 98.5-101.5% |
PH | 5.6-6.6 | 5.9-6.4 | / |
Specific rotation[a]D20 | / | / | / |
Specific rotation[a]D25 | / | / | / |
Transmittance(T430) | clear & colorless ≥ 98.0% | / | / |
Appearance of solution | / | clear & not more intensely coloured than reference solution Y7 | / |
Chloride(Cl) | ≤0.007% | ≤ 75 ppm | ≤0.007% |
Ammonium(NH4) | ≤ 0.02% | ≤0.02% | |
Sulfate(SO4) | ≤0.006% | / | ≤0.0065% |
Iron(Fe) | ≤0.001% | / | / |
Heavy metals(Pb) | ≤10PPM | / | / |
Arsenic | ≤1PPM | / | / |
Other amino acids | conform | Impurities B,H,I≤ 0.1% Unspecified impurities≤ 0.1% Total impurities ≤ 0.2% | Glycine anhydride ≤ 0.1% Iminodiacetic acid≤ 0.1% Diglycine≤ 0.1% Triglycine≤ 0.1% Hexamethylenetramine≤ 0.1% Total impurities≤ 1.0% |
Ninhydrin-positive substances | / | Each impurities≤ 0.1% Total impurities≤ 1.0% | / |
Loss on drying | ≤0.20% | ≤0.50% | ≤0.20% |
Residue on ignition | ≤0.10% | ≤0.10% | ≤0.10% |
Total plate count | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g |
Moulds & Yeasts | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g |
Glycine | USP32 | AJI92 | FCC5 |
Assay | 98.5-101.5% | 98.5-101.0% | 98.5-101.5% |
PH | / | 5.9-6.4 | / |
Specific rotation[a]D20 | / | / | / |
Specific rotation[a]D25 | / | / | / |
Transmittance(T430) | / | ≥98.0% | / |
Appearance of solution | / | / | / |
Chloride(Cl) | ≤0.007% | ≤0.007% | / |
Ammonium(NH4) | ≤0.0065% | ≤0.006% | / |
Sulfate(SO4) | / | ≤0.02% | / |
Iron(Fe) | / | ≤10PPM | / |
Heavy metals(Pb) | ≤20PPM | ≤10PPM | ≤5PPM |
Arsenic | / | ≤1PPM | / |
Other amino acids | conform | conform | / |
Ninhydrin-positive substances | / | / | / |
Loss on drying | ≤0.20% | ≤0.20% | ≤0.20% |
Residue on ignition | ≤0.10% | ≤0.10% | ≤0.10% |
Total plate count | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g |
Moulds & Yeasts | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g |