Table 4.
Compounds classified for carcinogenic risk
| Compound | CAS no. | Classification group | Prevalence (no. of products) | ||
|---|---|---|---|---|---|
| Total | Regular | Green | |||
| Acetaldehyde | 75-07-0 | 2B | 23 | 10 | 13 |
| Isopropyl alcohol | 67-63-0 | 3 | 9 | 4 | 5 |
| Toluene | 108-88-3 | 3 | 4 | 1 | 3 |
| Tetrahydrofuran | 109-99-9 | 2B | 2 | 2 | 0 |
| 2-Butenal | 4170-30-3 | 3 | 2 | 1 | 1 |
| Dichloromethane | 75-09-2 | 2A | 1 | 1 | 0 |
Group 2A: Probably carcinogenic to humans, Group 2B: Possibly carcinogenic to humans, Group 3: Not classifiable as to its carcinogenicity to humans (World Health Organization (WHO) 2018)