| 序号 | 中文名称 | 英文名称 |
|---|---|---|
| 841 | 欧前胡内酯 | Imperatorin (CAS No. 482-44-0) |
| 842 | 无机亚硝酸盐类(亚硝酸钠除外) | Inorganic nitrites (CAS No. 14797-65-0), with the exception of sodium nitrite |
| 843 | 双丙氧亚胺醌(英丙醌) | Inproquone (INN) (CAS No. 436-40-8) |
| 844 | 碘 | Iodine (CAS No. 7553-56-2) |
| 845 | 碘代甲烷 | Iodomethane (Methyl iodide) (CAS No. 74-88-4) |
| 846 | 碘苯腈, 碘苯腈辛酸酯 | Ioxynil and Ioxynil octanoate (ISO) (CAS No. 1689-83-4 / CAS No. 3861-47-0) |
| 847 | 异丙二酮 | Iprodione (CAS No. 36734-19-7) |
| 848 | 丁二烯含量大于或等于 0.1%(w/w)的异丁烷 | Isobutane (CAS No. 75-28-5), if it contains ≥0.1%(w/w) butadiene |