Heading 2932: Heterocyclic compounds with oxygen hetero-atom(s) only
Every line of heading 2932 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Heterocyclic compounds with oxygen hetero-atom(s) only
Chapter 29: Organic chemicals. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 2932.11.00.00 | Tetrahydrofuran | 3.7% |
| 2932.12.00.00 | 2-Furaldehyde (Furfuraldehyde) | Free |
| 2932.13.00.00 | Furfuryl alcohol and tetrahydrofurfuryl alcohol | 3.7% |
| 2932.14.00.00 | Sucralose | 3.7% |
| 2932.19 | Other: | |
| 2932.19.10.00 | Aromatic | 6.5% |
| 2932.19.51.00 | Other | 3.7% |
| 2932.20 | Lactones: | |
| 2932.20.05.00 | Coumarin, methylcoumarins and ethylcoumarins | 6.5% |
| 2932.20.10.00 | Pesticides | 6.5% |
| 2932.20.20.00 | Drugs | 6.5% |
| 2932.20.25.00 | 4-Hydroxycoumarin | 6.5% |
| 2932.20.30.00 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2932.20.45.00 | Other | 6.5% |
| 2932.20.50 | Other | 3.7% |
| 2932.20.50.10 | Butyrolactone | |
| 2932.20.50.20 | Glucono-δ-lactone | |
| 2932.20.50.30 | Sodium erythorbate (Sodium isoascorbate) | |
| 2932.20.50.50 | Other | |
| 2932.91.00.00 | Isosafrole | 6.5% |
| 2932.92.00.00 | 1-(1,3-Benzodioxol-5-yl)propan-2-one | 6.5% |
| 2932.93.00.00 | Piperonal (heliotropin) | 4.8% |
| 2932.94.00.00 | Safrole | 6.5% |
| 2932.95.00.00 | Tetrahydrocannabinols (all isomers) | Free |
| 2932.96.00.00 | Carbofuran (ISO) | 6.5% |
| 2932.99 | Other: | |
| 2932.99.04.00 | 2,2-Dimethyl-1,3-benzodioxol-4-yl methylcarbamate (Bendiocarb) | Free |
| 2932.99.08.00 | 2-Ethoxy-2,3-dihydro-3,3-dimethyl-5- benzofuranylmethanesulfonate | 6.5% |
| 2932.99.21.00 | Other | 6.5% |
| 2932.99.32.00 | Benzofuran (Coumarone); and Dibenzofuran (Diphenylene oxide) | Free |
| 2932.99.35.00 | 2-Hydroxy-3-dibenzofurancarboxylic acid | 6.5% |
| 2932.99.39.00 | Benzoin tetrahydropyranyl ester; and Xanthen-9-one | 5.8% |
| 2932.99.55.00 | Bis-O-[(4-methylphenyl)methylene]-D- glucitol (Dimethyl benzylidene sorbitol); and Rhodamine 2C base | Free |
| 2932.99.61 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2932.99.61.10 | 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2- carboxylic acid (3,4-MDP-2-P-methyl glycidic acid), its salts and esters | |
| 2932.99.61.50 | Other | |
| 2932.99.70.00 | Other | 6.5% |
| 2932.99.90 | Other | 3.7% |
| 2932.99.90.10 | Glucosamine and its salts and esters | |
| 2932.99.90.90 | Other |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
These companies are not Fromerica members and did not write these listings: Fromerica created them from public government records and has not verified what the records say. You cannot contact them from here. Open a listing to see what the record says.
- BEDOUKIAN RESEARCH, INC.
- BIOSAFE SYSTEMS, LLC
- EMBALMERS' SUPPLY COMPANY, THE
- FMI CHEMICAL, INC.
- HAMPFORD RESEARCH, INC.
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Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2932 has 26 of them; the first 12 are below. Schedule B lookup →
- 2932.11.0000TETRAHYDROFURAN
- 2932.12.00002-FURALDEHYDE (FURFURALDEHYDE)
- 2932.13.0000FURFURYL ALCOHOL AND TETRAHYDROFURFURYL ALCOHOL
- 2932.14.0000COMPOUNDS CONTAINING AN UNFUSED FURAN RING (WHETHER OR NOT HYDROGENATED) IN THE STRUCTURE: SUCRALOSE
- 2932.19.0002COMPOUNDS CONTAINING AN UNFUSED FURAN RING, WHETHER OR NOT HYDROGENATED, IN THE STRUCTURE, NESOI
- 2932.20.0500COUMARIN (BENZOPYRONE), METHYLCOUMARINS, AND ETHYLCOUMARINS
- 2932.20.1000AROMATIC LACTONES USED AS PESTICIDES
- 2932.20.2000AROMATIC LACTONES USED AS DRUGS
- 2932.20.6000LACTONES, NESOI
- 2932.91.0000ISOSAFROLE
- 2932.92.00001-(1,3-BENZODIOXOL-5-YL) PROPAN-2-ONE
- 2932.93.0000PIPERONAL (HELIOTROPIN)
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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