International (HS 2022) · Section VI
Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives
HS 293311 — Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives — sits in Chapter 29 (Organic chemicals). Hydrocarbons, alcohols, aldehydes, carboxylic acids, amino-compounds, and other organic chemistry. EU importers pay MFN duty plus import VAT at the border; origin-specific trade remedies (anti-dumping, countervailing, safeguards, US Section 301) can stack on top when applicable. Classification disputes are decided by the section + chapter legal notes shown below — these are legally binding interpretation rules, not advisory text. The duty table renders live rates from authoritative tariff sources (EU TARIC, HMRC XI, USITC HTS); cross-country rows compare treatment under five tariff schedules.
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How 293311 is treated in other markets
Same 6-digit international HS base, looked up in each authority's published schedule. Click any country to switch the page to that schedule's view.
| Authority | Code published | MFN duty | VAT / GST |
|---|---|---|---|
| International (HS 2022)viewing | 293311 | — | — |
| United States (HTS) | 2933110000 | 6.5% | 0% |
| European Union (CN) | 293311 | — | 21% |
| United Kingdom | 293311 | — | 20% |
| Israel | 293311 | — | 18% |
Rates compiled from USITC, EU Commission TARIC, HMRC, and Israeli Tax Authority public datasets. Verify with the official tariff before declaring.
Sibling codes under 2933
- 293311Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives
- 293319Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other than henazone (antipyrin) and its derivatives
- 293321Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives
- 293329Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives
- 293331Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, pyridine and its salts
- 293332Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, piperidine and its salts
- 293333Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN)
- 293334Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other fentanyls and their derivatives
- 293335Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 3-quinuclidinol
- 293336Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 4-anilino-N-phenethylpiperidine (ANPP)
- 293337Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP)
- 293339Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3
- 293341Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, levorphanol (INN) and its salts
- 293349Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, other than levorphanol (INN) and its salts
- 293352Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, malonylurea (barbituric acid) and its salts
- 293353Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof
- 293354Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other derivatives of malonylurea (barbituric acid) and salts thereof, n.e.c. in 2933.53
- 293355Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure; loprazolam (INN), mecloqualone (INN), methaqualone (INN), and zipeprol (INN); salts thereof
- 293359Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, (other than malonylurea and its derivatives, loprazolam, mecloqualone, methaqualone, zipeprol, and salts thereof) n.e.c. in 2933.5
- 293361Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine
Recent news affecting Chapter 29 — Organic chemicals
Tariff changes, sanctions, FTAs, and regulatory updates that touch this product class.
US antidumping review: glycine from India faces new duties
The U.S. Department of Commerce has concluded its 2023–2024 administrative review of glycine imports from India, finding that producers and exporters sold subject merchandise below normal value during the review period (June 1, 2023 – May 31, 2024). This triggers antidumping duty assessments on affected Indian glycine suppliers. Exporters and importers of glycine from India must verify their supplier status and expect revised duty rates or cash-deposit requirements.
US sets countervailing duties on Indian glycine in 2023 review
The U.S. Department of Commerce concluded in its administrative review that Indian producers and exporters of glycine received countervailable subsidies during 2023. This determination triggers countervailing duty (CVD) assessments on glycine imports from India. Shippers and importers sourcing glycine from India must now factor in additional duty costs and verify their supplier eligibility under any company-specific rates published in the final determination.
US imposes anti-dumping duties on Tris and Tris HCl from China
The US Department of Commerce has issued final anti-dumping duty determinations on Tris (Hydroxymethyl) Aminomethane and its hydrochloride form (Tris and Tris HCl) imported from China, effective June 10, 2026. These chemicals, used in pharmaceuticals, diagnostics, and industrial applications, will face duties to counteract alleged dumping practices. Importers of these products must adjust landed cost calculations and sourcing strategies immediately.
Korea acetone dumping duties affirmed in 2024–25 review
The U.S. Department of Commerce has issued final results of its antidumping duty administrative review for acetone imports from South Korea, covering the period March 1, 2024 through February 28, 2025. Kumho P&B Chemicals, Inc., a major Korean acetone producer and exporter, was found to have made sales at less than normal value (i.e., dumped) during the review period. This determination affirms the ongoing antidumping duty regime for Korean acetone and confirms that subject shipments remain liable to calculated dumping margins.
US Anti-Dumping Duty on Korean Acrylates & Methacrylates
The US International Trade Commission has issued a final anti-dumping determination on multifunctional acrylate and methacrylate monomers and oligomers imported from South Korea. The decision concludes the investigation and establishes duties on these chemicals, which are used in coatings, adhesives, and specialty polymers. Importers of these products from South Korea must now account for anti-dumping tariffs in landed-cost calculations.
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