N，N’-Diethylthiourea （DETU,CAS:105-55-5）
| Item | Crystal | Oiled crystal | Granule |
| Appearance | White crystal(granule) | ||
| Initial M.P. ℃ ≥ | 74.0 | 74.0 | 74.0 |
| Loss on drying % ≤ | 0.30 | 0.50 | 0.30 |
| Ash % ≤ | 0.30 | 0.30 | 0.30 |
| Residue on 840μm sieve % ≤ | 0.00 | 0.00 | |
| Size mm | 2.50 | ||
| Additive % | 0.1-2.0 | ||
