| 2918.30 | | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: | | | | |
| 2918.30.10 | 00 | Aromatic: | | | | |
| 2918.30.25 | 00 | Other: | | | | |
| 2918.30.70 | 00 | Other: | | | | |
| 2918.91.00 | 00 | Other: | | | | |
| 2918.99.05 | 00 | Aromatic: | | | | |
| 2918.99.18 | 00 | Other: | | | | |
| 2918.99.18 | 00 | Pesticides: | | | | |
| 2918.99.43 | 00 | Other: | | | | |
| 2919 | | Phosphoric esters and their salts, including lacto- phosphates; their halogenated, sulfonated, nitrated or nitrosated derivatives: | | | | |
| 2919.90 | | Other: | | | | |
| 2919.90.15 | 00 | Aromatic: | | | | |
| 2919.90.15 | 00 | Plasticizers: | | | | |
| 2920 | | Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated, sulfonated, nitrated or nitrosated derivatives: | | | | |
| 2920.11.00 | 00 | Thiophosphoric esters (phosphorodithioates) and their salts, their halogenated, sulfonated, nitrated or nitrosated derivatives: | | | | |
| 2920.19 | | Other: | | | | |
| 2920.19.10 | 00 | Aromatic: | | | | |
| 2920.90 | | Other: | | | | |
| 2920.90.10 | 00 | Aromatic: | | | | |
| 2921 | | Amine-function compounds: | | | | |
| 2921.11.00 | 00 | Acyclic monoamines and their derivatives; salts thereof: | | | | |
| 2921.19 | | Other: | | | | |
| 2921.19.30 | 00 | Other: | | | | |
| 2921.21.00 | 00 | Acyclic polyamines and their derivatives; salts thereof: | | | | |
| 2921.22 | | Hexamethylenediamine and its salts: | | | | |
Harmonized Tariff Schedule of the United States inquiry: ɡ
