| Name | CAS No. |
| Isodecyl alcohol | 25339-17-7 |
| Inositol | 87-89-8 |
| Iodine | 12190-71-5 |
| iso-Octyl acrylate | 29590-42-9 |
| Isobutyraldehyde | 78-84-2 |
| isooctadecenoic acid | 37343-44-5 |
| Isooctyl Alcohol | 26952-21-6 |
| Isophthalic acid | 121-91-5 |
| Isoprene | 78-79-5 |
| Isopropanol | 67-63-0 |
| Isopropylamine | 75-31-0 |