Chapter 29 · Organic chemicals · Section 6

HS Code 2933.19

Other

Heading 2933: Heterocyclic compounds with nitrogen hetero-atom(s) only

US duty (general)
Free - 6.5%
US HTS lines
12
EU CN codes
3
UK commodity codes
21
Unit
kg

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

United States - HTS lines under 2933.19

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
2933.19.04 Other > Aromatic or modified aromatic >
Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone)
Free - 15.4¢/kg + 39.5% kg
2933.19.08 Other > Aromatic or modified aromatic >
3-(5-Amino-3-methyl-1H-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;p-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(m-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone
5.8% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 39.5% kg
2933.19.15 Other > Aromatic or modified aromatic >
1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)
Free - 15.4¢/kg + 48.5% kg
2933.19.18 Other > Aromatic or modified aromatic >
2-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;m-Sulfaminopyrazolone (m-Sulfamido- phenyl methyl pyrazolone); and 1-(p-Sulfophenyl)-3-methyl pyrazolone
Free - 15.4¢/kg + 52% kg
2933.19.23 Aromatic or modified aromatic > Other >
Pesticides
6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 48.5% kg
2933.19.30 Aromatic or modified aromatic > Other >
Photographic chemicals
2 statistical lines (10-digit)
  • 2933.19.30.10 - Couplers, for use in color negative photographic paper
  • 2933.19.30.95 - Other
6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 50% kg
2933.19.35 Other > Photographic chemicals >
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 + 47.5% kg
2933.19.37 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,L,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 52% kg
2933.19.43 Other > Other >
Other
6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 52% kg
2933.19.45 Other > Other >
Drugs
3.7% Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 25% kg
2933.19.70 Other > Other >
3-Methyl-5-pyrazolone
Free - 30.5% kg
2933.19.90 Other > Other >
Other
6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 30.5% 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 2933.19

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
2933 19 10 Phenylbutazone (INN) EU duty (TARIC) →
2933 19 90 Other EU duty (TARIC) →
2933 19 00 Other EU duty (TARIC) →

United Kingdom - commodity codes under 2933.19

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
2933 19 00 00 Other UK duty & VAT →
2933 19 10 00 Phenylbutazone (INN) UK duty & VAT →
2933 19 90 00 Other UK duty & VAT →
2933 19 90 15 Pyrasulfotole (ISO) (CAS RN 365400-11-9) with a purity by weight of 96 % or more UK duty & VAT →
2933 19 90 27 3-(3,3,3-trifluoro-2,2-dimethylpropoxy)-1H-pyrazole-4-carboxylic acid (CAS RN 2229861-20-3) with a purity by weight of 95 % or more UK duty & VAT →
2933 19 90 33 Fipronil (ISO) (CAS RN 120068-37-3) with a purity by weight of 95 % or more for the use in the manufacture of veterinary medicine UK duty & VAT →
2933 19 90 38 4,5-Dimethyl-1H-pyrazole-3-carboxylic acid (CAS RN 89831-40-3) with a purity by weight of 98 % or more UK duty & VAT →
2933 19 90 40 Edaravone (INN) (CAS RN 89-25-8) UK duty & VAT →
2933 19 90 45 5-Amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-1H-pyrazole-3-carbonitrile (CAS RN 120068-79-3) UK duty & VAT →
2933 19 90 48 1-(3-iodo-1-isopropyl-1H-pyrazol-4-yl)ethanone (CAS RN 1269440-49-4) with a purity by weight of 98 % or more UK duty & VAT →
2933 19 90 50 Fenpyroximate (ISO) (CAS RN 134098-61-6) UK duty & VAT →
2933 19 90 53 3-[2-(Dispiro[2.0.2⁴.1³]heptan-7-yl)ethoxy]-1H-pyrazole-4-carboxylic acid (CAS RN 2608048-67-3) with a purity by weight of 98 % or more UK duty & VAT →
2933 19 90 58 1H-Pyrazole (CAS RN 288-13-1) with a purity by weight of 98 % or more UK duty & VAT →
2933 19 90 60 Pyraflufen-ethyl (ISO) (CAS RN 129630-19-9) UK duty & VAT →
2933 19 90 63 3-Difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid (CAS RN 176969-34-9) with a purity by weight of 97 % or more UK duty & VAT →
2933 19 90 68 1-Methyl-1H-pyrazol-4-amine hydrochloride (CAS RN 127107-23-7) with a purity by weight of 95 % or more UK duty & VAT →
2933 19 90 70 4,5-Diamino-1-(2-hydroxyethyl)-pyrazolsulphate (CAS RN 155601-30-2) UK duty & VAT →
2933 19 90 73 2,4-Dihydro-2,5-dimethyl-3H-pyrazol-3-one (CAS RN 2749-59-9) with a purity by weight of 99 % or more UK duty & VAT →
2933 19 90 78 3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS RN 119-17-5) with a purity by weight of 95 % or more UK duty & VAT →
2933 19 90 83 Isomeric mixture containing by weight 97 % or more of the two isomers  -2-(3,4-Dimethyl-1H-pyrazol-1-yl)succinic acid and  -2-(4,5-Dimethyl-1H-pyrazol-1-yl)succinic acid  (CAS RN 2241455-89-8) UK duty & VAT →
2933 19 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 2933

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.