| Item | USP | BP/EP | CP |
| Identificatie | Conformeert | ||
| pH | 3,0-5,0 | ||
| Water (%) | ≤5.0 | ||
| Residu bij verbranding/sulfaatas(%) | ≤0,1 | ||
| Aldehyden | ≤0,05% | 500 ppm | ≤0,05% |
| 2-pyrrolidon (%) | ≤0,001 | ||
| K-waarde | 27-32 | 28-32 | 27-32 |
| Stikstofgehalte (%) | 11,5-12,8 | ||
| Peroxiden (ppm) | ≤400 | ||
| Mierenzuur (%) | ≤0,5 | ||
| Hydrazine (ppm) | ≤1 | ||