| Item | USP | BP/EP | CP |
| Identification | Conforms | ||
| pH | 3.0-5.0 | ||
| Water (%) | ≤5.0 | ||
| Residue on ignition/Sulphated Ash(%) | ≤0.1 | ||
| Aldehydes | ≤0.05% | 500ppm | ≤0.05% |
| 2-Pyrrolidone(%) | ≤0.001 | ||
| K-value | 27-32 | 28-32 | 27-32 |
| Nitrogen content(%) | 11.5-12.8 | ||
| Peroxides(ppm) | ≤400 | ||
| Formic Acid(%) | ≤0.5 | ||
| Hydrazine(ppm) | ≤1 | ||