26,806 official source entries are searchable. Checked 2026-09-22; edition published 2026-09-15.
Printed tariff and statistical lines from this edition, separate from historical WITS averages. Blank duty cells are not a confirmed zero. Review the parent tariff line, general and chapter notes, chapter 99, origin, exclusions, quotas and additional duties. No shipment total or special-rate eligibility is calculated. The edition publication date is not a line-level effective date.
Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:
Dinonyl or didecyl orthophthalates
Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Dinonyl or didecyl orthophthalates
Diisodecyl orthophthalate
Source units: kg
Dinonyl or didecyl orthophthalates
Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Dinonyl or didecyl orthophthalates
Other
Source units: kg
Dinonyl or didecyl orthophthalates
Reported average: 6.5%.
Source year: 2023. Classification: HS 2022 (H6). Checked 2026-09-14.
National lines included: 1 of 1. Excluded from the average: 0.
Reported ad-valorem range: 6.5%–6.5%.
Reported historical ad-valorem MFN simple average for 2023, not a national tariff schedule. No preferential rates, additional duties, VAT, excise or import permissions are determined.
Not a current 2026 national duty. The HS6 average does not determine the duty of a particular national subdivision, origin or shipment.
WITS observation for this code and year
UN Comtrade H6 descriptions (HS 2022)
WITS API definitions: reported averages and excluded national lines
Direct HS code answer for United States
The source reports an indicative HS6 MFN average of 6.50% (2023 MFN average) for Acids; aromatic polycarboxylic acids; dinonyl or didecyl orthophthalates.Source status: not assessed. Verify the exact national tariff line, origin treatment, taxes, restrictions, and current customs guidance before using this information in a declaration.
6.50% (2023 MFN average)
not assessed
Import planning
Request a one-page research summary with source checks, landed-cost inputs, and points to verify for HS code 291733 in United States.
Each destination shows its own source label. Oman uses its national schedule; Qatar and UAE entries may cite their separately published references and unresolved exceptions. Other entries retain the historical GCC reference. National codes, duty notes, restrictions and tax treatment can differ; verify with the destination customs authority.
| HS Code | Description | Duty |
|---|---|---|
| 291711 | Acids; acyclic polycarboxylic acids; oxalic acid, its salts and esters | 3.10% (2023 MFN average)WITS 2023 historical MFN average |
| 291712 | Acids; acyclic polycarboxylic acids; adipic acid, its salts and esters | 6.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291713 | Acids; acyclic polycarboxylic acids; azelaic acid, sebacic acid, their salts and esters | 4.80% (2023 MFN average)WITS 2023 historical MFN average |
| 291714 | Acids; acyclic polycarboxylic acids; maleic anhydride | 5.35% (2023 MFN average)WITS 2023 historical MFN average |
| 291719 | Acids; acyclic polycarboxylic acids; n.e.c. in item no. 2917.1 | 5.20% (2023 MFN average)WITS 2023 historical MFN average |
| 291720 | Acids; cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and derivatives | 4.20% (2023 MFN average)WITS 2023 historical MFN average |
| 291732 | Acids; aromatic polycarboxylic acids; dioctyl orthophthalates | 6.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291734 | Acids; aromatic polycarboxylic acids; other esters of orthophthalic acids | 6.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291735 | Acids; aromatic polycarboxylic acids; phthalic anhydride | 6.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291736 | Acids; aromatic polycarboxylic acids; terephthalic acid and its salts | 6.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291737 | Acids; aromatic polycarboxylic acids; dimethyl terephthalate | 6.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291739 | Acids; aromatic polycarboxylic acids; n.e.c. in item no. 2917.3 | 4.88% (2023 MFN average)WITS 2023 historical MFN average |
Data source: WITS/UNCTAD TRAINS (MFN 2022). Values are indicative HS6 MFN averages, not shipment-specific applied rates. Import permission and restrictions are not assessed. Historical reference rates exclude VAT, excise and other national measures. Separate national entries preserve the columns printed by their source; these are not a complete shipment assessment. Full disclaimer.