Chapter 29 · Organic chemicals · Section 6

HS Code 2932.20

Lactones

Heading 2932: Heterocyclic compounds with oxygen hetero-atom(s) only

US duty (general)
3.7% - 6.5%
US HTS lines
7
EU CN codes
4
UK commodity codes
24
Unit
kg

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 2932.20

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
2932.20.05 Coumarin, methylcoumarins and ethylcoumarins 6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 48% kg
2932.20.10 Other > Aromatic >
Pesticides 		6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 64.5% kg
2932.20.20 Other > Aromatic >
Drugs 		6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 53% kg
2932.20.25 Aromatic > Other >
4-Hydroxycoumarin 		6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 52% kg
2932.20.30 Other > Other >
Products described in additional U.S. note 3 to section VI 		6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 53.5% kg
2932.20.45 Other > Other >
Other 		6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 52% kg
2932.20.50 Other > Other >
Other
4 statistical lines (10-digit)
  • 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
 3.7% Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 25% kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 2932.20

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
2932 20 10 Phenolphthalein; 1-hydroxy-4-[1-(4-hydroxy-3-methoxycarbonyl-1-naphthyl)-3-oxo-1H,3H-benzo[de]isochromen-1-yl]-6-octadecyloxy-2-naphthoic acid; 3′-chloro-6′-cyclohexylaminospiro[isobenzofuran-1(3H),9′-xanthen]-3-one; 6′-(N-ethyl-p-toluidino)-2′-methylspiro[isobenzofuran-1(3H),9′-xanthen]-3-one; methyl-6-docosyloxy-1-hydroxy-4-[1-(4-hydroxy-3-methyl-1-phenanthryl)-3-oxo-1H,3H-naphtho[1,8-cd]pyran-1-yl]naphthalene-2-carboxylate EU duty (TARIC) →
2932 20 20 gamma-Butyrolactone EU duty (TARIC) →
2932 20 90 Other EU duty (TARIC) →
2932 20 00 Lactones EU duty (TARIC) →

United Kingdom - commodity codes under 2932.20

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
2932 20 00 00 Lactones UK duty & VAT →
2932 20 10 00 Phenolphthalein; 1-hydroxy-4-[1-(4-hydroxy-3-methoxycarbonyl-1-naphthyl)-3-oxo-1H,3H-benzo[de]isochromen-1-yl]-6-octadecyloxy-2-naphthoic acid; 3′-chloro-6′-cyclohexylaminospiro[isobenzofuran-1(3H),9′-xanthen]-3-one; 6′-(N-ethyl-p-toluidino)-2′-methylspiro[isobenzofuran-1(3H),9′-xanthen]-3-one; methyl-6-docosyloxy-1-hydroxy-4-[1-(4-hydroxy-3-methyl-1-phenanthryl)-3-oxo-1H,3H-naphtho[1,8-cd]pyran-1-yl]naphthalene-2-carboxylate UK duty & VAT →
2932 20 20 00 gamma-Butyrolactone UK duty & VAT →
2932 20 90 00 Other UK duty & VAT →
2932 20 90 15 Coumarin (CAS RN 91-64-5) UK duty & VAT →
2932 20 90 18 4-Hydroxycoumarin (CAS-RN 1076-38-6) with a purity by weight of 98 % or more UK duty & VAT →
2932 20 90 25 Decan-5-olide (CAS RN 705-86-2) UK duty & VAT →
2932 20 90 28 (R)-3-(3,4-difluoro-2-methoxyphenyl)-4,5-dimethyl-5-(trifluoromethyl)furan-2(5H)-one (CAS RN 2875066-35-4) with a purity by weight of 98 % or more UK duty & VAT →
2932 20 90 30 Dodecan-5-olide (CAS RN 713-95-1) UK duty & VAT →
2932 20 90 33 6-Cyclohexyl-4-methyl-2H-pyran-2-one (CAS RN 14818-35-0) with a purity of 99 % by weight or more UK duty & VAT →
2932 20 90 38 6-Dimethylamino-3,3-bis(4-dimethylaminophenyl)phthalide (CAS RN 1552-42-7) with a purity by weight of 96 % or more UK duty & VAT →
2932 20 90 40 (S)-(−)-α-Amino-γ-butyrolactonehydrobromide (CAS RN 15295-77-9) UK duty & VAT →
2932 20 90 45 2,2-Dimethyl-1,3-dioxane-4,6-dione (CAS RN 2033-24-1) UK duty & VAT →
2932 20 90 50 L-Lactide (CAS RN 4511-42-6), D-lactide (CAS RN 13076-17-0), dilactide (CAS RN 95-96-5) or meso-lactide (CAS RN 13076-19-2), each with a purity by weight of 90% or more UK duty & VAT →
2932 20 90 60 6'-(Diethylamino)-3'-methyl-2'-(phenylamino)-spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one (CAS RN 29512-49-0) UK duty & VAT →
2932 20 90 63 Selamectin (INN) 5Z-isomer (CAS RN 220119-17-5) UK duty & VAT →
2932 20 90 65 Sodium 4-(methoxycarbonyl)-5-oxo-2,5-dihydrofuran-3-olate (CAS RN 1134960-41-0) UK duty & VAT →
2932 20 90 71 6'-(Dibutylamino)-3'-methyl-2'-(phenylamino)-spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one (CAS RN 89331-94-2) UK duty & VAT →
2932 20 90 75 3-Acetyl-6-methyl-2H-pyran-2, 4(3H)-dione (CAS RN 520-45-6) UK duty & VAT →
2932 20 90 77 Hexan-6-olide (CAS RN 502-44-3) UK duty & VAT →
2932 20 90 80 Gibberellic acid (CAS RN 77-06-5) with a purity by weight of 88% or more, for use in the manufacture of plant protection products UK duty & VAT →
2932 20 90 84 Decahydro-3a,6,6,9a-tetramethylnaphth [2,1-b] furan-2 (1H)-one (CAS RN 564-20-5) UK duty & VAT →
2932 20 90 88 Methylcoumarins and ethylcoumarins UK duty & VAT →
2932 20 90 90 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 2932

2932.00 2932 Heterocyclic compounds with oxygen hetero-atom(s) only 2932.11 Tetrahydrofuran 2932.12 2-Furaldehyde (Furfuraldehyde) 2932.13 Furfuryl alcohol and tetrahydrofurfuryl alcohol 2932.14 Sucralose 2932.19 Other 2932.20 Lactones 2932.91 Isosafrole 2932.92 1-(1,3-Benzodioxol-5-yl)propan-2-one 2932.93 Piperonal (heliotropin) 2932.94 Safrole 2932.95 Tetrahydrocannabinols (all isomers) 2932.96 Carbofuran (ISO) 2932.99 Other

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.