CAS number: 59-67-6
Molecular formula: C6H5NO2
molecular weight: 123.1094
Chemical structure:
Product name: | Nicotinic Acid | ||
Shelf life | Three years | ||
Inspection Standard: | USP34 | ||
Items | Specifications | Test method | Results |
Assay, % | 99.0-101.0 | UV | 99.7 |
Identification A | Conform | IR | Conform |
Identification B (Ratio:A237/A262) | 0.46-0.50 | UV | 0.47 |
Loss on drying,% | ≤ 1.0 | Air dry oven | 0.19 |
Residue on ignition ,% | ≤0.1 | High temperature ignition | 0.02 |
Chloride,% | ≤0.02 | Colorimetry | <0.02 |
Sulfate,% | ≤0.02 | Colorimetry | |
Heavy metals,% | ≤0.002 | Colorimetry | |
Ordinary impurities | Conform | TLC | Conform |
Conclusion : This material complies with USP34 |