2917.33.00
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
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
6.5%
Column 2 (Non-NTR)
15.4¢/kg + 57%
Column 1 (Special / FTA)
Free
Eligible
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
No active Chapter 99 measures are linked to this code.
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2023
Column 1 general rate set to 6.5%.
Related CBP rulings
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We referred the information provided to our laboratory for review. We regret the delay. The subject product, Di(2-propylheptyl) phthalate (DPHP) (CAS No. 53306-54-0), is greater than 99 percent pure, with the remainder consisting of impurit
The tariff classification of 3,3,4,4-Biphenyltetracarboxylic dianhydride, CAS No. 2420-87-3, imported in bulk form, from China
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The tariff classification of Azelaic Acid (CAS #123-99-9) in bulk form, from Italy
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The tariff classification of Diisodecyl orthophthalate (DIDP) and Diisononyl orthophthalate (DINP).
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The tariff classification of Synplast TOTM-N (Normal Grade) Plasticizer, CAS No. 3319-31-1, from Canada
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Other codes in heading 2917
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2917.33.00 from each major US trading partner.
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