Analysis
HTS 2933.39.10 covers collidines, lutidines and picolines under heading 2933 (heterocyclic compounds with nitrogen hetero-atom(s) only).
Rates on the nearby lines range from duty-free to 6.5%. The costliest confusion would be with 2933.39.92 (other: other) at 6.5%, a difference of 6.5 points on the customs value.
There is no general-rate duty on this line, which puts it with roughly 26% of the 1050 tariff lines in chapter 29 that are also free. Free here means free of the base duty only: origin-specific Chapter 99 duties such as Section 301 can still be owed.
Census statistics map these goods to NAICS 325199 (All Other Basic Organic Chemical Manufacturing), an industry of 894 US establishments employing 77,304 people, the industry a domestic producer of these goods reports under.
Every edition we compared, from Jan 2023 to Oct 2026 (Rev. 22), shows the same general rate of Free.
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 2933.39.08 | 1-(3-Sulfo propyl) pyridinium hydroxide;N,N'-Bis (2,2,6,6-tetra methyl-4-piperidinyl)-1,6- hexane diamine; 3,5-Dimethyl-2-hydroxy methyl-4-methoxy- pyridine (pyrmethyl alcohol); Dipenta methylene thiuram tetra sulfide; 2H-Indol-2-one,1,3-dihydro-1-phenyl-3-(4- pyridinyl methylene); 4-Picolyl chloride hydro chloride; and Piperidino ethyl chloride hydro chloride | Free |
| 2933.39.20 | p-Chloro-2-benzylpyridine; 4-Chloro-1-methylpiperidine hydrochloride; 1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one; Di-(2,2,6,6-tetramethyl-4-hydroxy- piperidine)sebacate; 2-Methyl-5-ethylpyridine; 4-Phenylpropylpyridine; α-Phenylpyridylacetic acid, methyl ester; Picolinic acid; 2-Pyridinecarboxaldehyde; and 2,5-Pyridinedicarboxylic acid | 5.8% |
| 2933.39.21 | Pesticides: fungicides | 6.5% |
| 2933.39.23 | o-Paraquat dichloride | 6.5% |
| 2933.39.25 | Herbicides: other | 6.5% |
| 2933.39.27 | Pesticides: other | 6.5% |
| 2933.39.31 | Antidepressants, tranquilizers and other psychotherapeutic agents | 6.5% |
| 2933.39.41 | Drugs: other | 6.5% |
| 2933.39.61 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2933.39.92 | Other: other | 6.5% |