Glycine
Name of Product: Glycine
Chemical Name: Aminoacetic acid
Structural Formula: NH
2CH
2COOH
Molecular Formula: C
2H
5NO
2
Molecular Weight: 75.07
Physical Characteristics: A white crystal or crystallized powder with a particular sweetness, it dissolves in water, and pyridine, slightly in absolute alcohol, doesn't dissolve in diethyl ether, melting point:232-236
Quality Standards: United States Pharmacopoeia USP-24 and Britain Pharmacopoeia BP-98 are adopted as equivalent standard for pharma grade.
Item |
Specification |
Pharma grade |
Food grade |
Feed grade |
Tech grade |
Assay %  |
98.5-101.5 |
98.5-101.5 |
98.5 |
98.0 |
Chloride % |
0.007 |
0.007 |
0.5 |
0.5 |
Heavy metal % |
0.002 |
0.002 |
0.002 |
- |
Arsenic %  |
0.0002 |
0.0002 |
0.0003 |
- |
Iron%  |
- |
- |
- |
0.003 |
Ammonium %  |
0.02 |
0.02 |
- |
- |
Sulphate % |
0.0065 |
- |
- |
- |
Residue on ignition% |
0.1 |
0.1 |
- |
- |
Loss on drying % |
0.2 |
0.2 |
0.2 |
1.0 |
PH value |
5.5-6.5 |
5.5-7.0 |
- |
- |
