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HSChapter 29
U.S. imports of cyclanic, cyclenic, and cycloterpenic polycarboxylic acids and their derivatives (HS 291720) totaled $2.3M in April 2026, traded with 14 countries.
Importers of Cyclanic, Cyclenic, and Cycloterpenic Polycarboxylic Acids and Their Derivatives paid $392K in duties in April 2026 — an effective duty rate of 20% on $2.0M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataPolycarboxylic acids with alicyclic ring structures — including cyclohexane dicarboxylic acids and their derivatives used as non-phthalate plasticizers and resin intermediates — are consolidated under a single 10-digit line (2917200000) in the US schedule. China and Japan are the leading suppliers, with Germany and India also significant sources, reflecting the global distribution of specialty chemical production for this class. Cyclohexane-1,2-dicarboxylic acid diisononyl ester (DINCH), a prominent phthalate alternative, is a commercially important product in this heading. Imports from China may be subject to Section 301 tariffs.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Yes, several derivatives in this heading — most notably DINCH (cyclohexane-1,2-dicarboxylic acid diisononyl ester) — are commercially positioned as phthalate-free plasticizers for sensitive applications such as medical devices and food-contact materials. However, regulatory status varies by jurisdiction and end-use; importers should verify compliance with FDA, REACH, or other applicable standards for their specific application.
Because all cyclanic, cyclenic, and cycloterpenic polycarboxylic acids and their derivatives share one 10-digit line (2917200000), classification itself is straightforward for pure products. The risk arises when a product could alternatively be classified as an aromatic compound or as a phthalate ester under a more specific heading — in those cases, the specificity rules of GRI 3 apply, and a licensed customs broker should review the chemical structure.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| JAPAN | $794K | $1.0M | +$233K |
| SAUDI ARABIA | -- | $725K | +$725K |
| CHINA | $471K | $93K | -$378K |
| CANADA | -- | $549K | +$549K |
| GERMANY | $481K | -- | -$481K |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2917200000 | CYCLANIC, ETC POLYCARBOXYLIC ACIDS AND THEIR DERIV | $2.3M | 19.76% | $392K |
CYCLANIC, ETC POLYCARBOXYLIC ACIDS AND THEIR DERIV
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2917200000 | CYCLANIC, ETC POLYCARBOXYLIC ACIDS AND THEIR DERIV | $4.4M |
CYCLANIC, ETC POLYCARBOXYLIC ACIDS AND THEIR DERIV
666.5K kg
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
COMP WITH PYRIMIDINE OR PIPERAZINE RING, NESOI
HS 293359
ANTIBIOTICS, NESOI
HS 294190
| State | Imports | Exports | Balance |
|---|---|---|---|
| South Carolina | $951K | $1.9M | +$939K |
| Tennessee | $10K | $1.1M | +$1.1M |
| Texas | -- | $992K | +$992K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHARLESTON, SC | $974K | $2.4M | +$1.4M |
| HOUSTON, TX | $171K | $800K | +$630K |
| NEWARK, NJ | $527K | -- | -$527K |