Product name: Glycine
Structural formula: NH2CH2COOH
Molecular formula: C2H5NO2
Molecular weight: 75.07
CAS NO:56-40-6
Physiochemical properties: sweet, white crystal or crystalline powder. Soluble in water and pyridine, slightly soluble in ethanol. Melting point: 232-236°C.
Standard: Pharmaceutical grade: USP-23, BP-98
Food grade: Q/320623NEG02-1997, US FCC-IV, JISK8291-95
Forage grade: Q/320623NEG05-1999
Industrial grade: HG2029-91
Quality Index
|
Industrial grade |
Forage grade |
Food grade |
Pharmaceutical grade |
| Content |
≥98.5% |
≥99% |
≥99% |
≥99.5% |
| Chloride(Cl) |
≤0.5% |
|
≤0.02% |
≤0.007% |
| Heavy metals |
≤0.002% |
≤0.002% |
≤0.001% |
≤0.002% |
| Arsenic(As) |
|
|
≤0.0001% |
≤0.0002% |
| Iron(Fe) |
≤0.003% |
|
≤0.005% |
|
| Lead(Pb) |
|
≤0.005% |
|
|
| Ammonium salt(NH4) |
|
|
≤0.02% |
≤0.02% |
| Sulphate(SO2-4) |
|
|
≤0.005% |
≤0.00065% |
| Residue on ignition |
|
|
≤0.05% |
≤0.1% |
| Drying loss |
≤0.2% |
≤0.2% |
≤0.2% |
≤0.2% |
| PH value |
|
|
5.5-7.0 |
5.5-6.5 |
|
