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Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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HS 2932.93

Piperonal (heliotropin) heterocyclic compounds with oxygen hetro-atom(s) only not elsewhere specified

In short

  • The US imported $5.9M of this product over the 12 months to August 2026, down 25% on the year before.
  • China is the largest supplier, with 100.0% of US imports.
  • India is the cheapest main supplier before and after freight and duty, landing at $15.60/kg.
  • Duty paid averaged 40.5% of the value of imports in August 2026, up 21.5 points on a year earlier.
  • India is gaining share: 10.8% over the last 12 months, up from 0.0%.
  • US exports were $702K over the last 12 months; the largest market is Canada, with 59.7%.

US imports, Aug 2026

$122K

↓ −20% vs Aug 2025

Last 12 months

$5.9M

↓ −25% vs the 12 months before

Average duty paid

40.5%

↑ +21.5 pts vs Aug 2025

Top supplier

China

100.0% of US imports

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAugChina ↓Duty ↓
Show the numbers
MonthUS imports
August 2025$152K
September 2025$595K
October 2025$535K
November 2025$765K
December 2025$199K
January 2026$396K
February 2026$398K
March 2026$613K
April 2026$1.0M
May 2026$184K
June 2026$809K
July 2026$244K
August 2026$122K

What changed

  • US imports were $122K in August 2026, down 50% from July 2026 and down 20% from August 2025.
  • Over the 12 months to August 2026 they totalled $5.9M, down 25% on the 12 months before.
  • Biggest moves in market share since July 2026: China up from 27.6% to 100.0%, India down from 56.7% to 0.0%.
  • Average price from China rose 42% since July 2026, to $22.06/kg.
  • Duty paid on imports from China rose from 29.8% to 40.5% of their value since July 2026.

US trade by year

US imports were $5.9M in the 12 months to Aug 2026, down 24% on the 12 months to Aug 2017. US exports were $702K, down 75%. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

2017201820192020202120222023202420252026China ↑Duty ↑
Show the numbers
PeriodUS imports
12 months to Aug 2017$7.7M
12 months to Aug 2018$8.9M
12 months to Aug 2019$12.5M
12 months to Aug 2020$10.0M
12 months to Aug 2021$9.7M
12 months to Aug 2022$10.7M
12 months to Aug 2023$6.3M
12 months to Aug 2024$7.7M
12 months to Aug 2025$7.8M
12 months to Aug 2026$5.9M
  • China
  • Spain
  • India
  • Germany
  • All countries
Share of US imports
Show the numbers
PeriodChinaSpainIndiaGermany
12 months to Aug 201791.5%0.0%8.4%0.0%
12 months to Aug 201879.8%3.6%7.9%0.4%
12 months to Aug 201989.7%3.3%5.7%1.1%
12 months to Aug 202084.1%9.3%6.6%0.0%
12 months to Aug 202171.3%10.3%4.8%12.5%
12 months to Aug 202270.4%10.7%8.1%10.9%
12 months to Aug 202376.5%11.9%11.6%0.0%
12 months to Aug 202495.4%4.6%0.0%0.0%
12 months to Aug 202594.8%5.0%0.0%0.1%
12 months to Aug 202667.9%11.2%10.8%9.4%
Duty paid, % of value
Show the numbers
PeriodChinaSpainIndiaGermanyAll countries
12 months to Aug 20174.8%n/a4.8%n/a4.8%
12 months to Aug 20184.8%4.8%4.8%4.8%4.8%
12 months to Aug 201916.8%4.8%4.8%4.8%15.5%
12 months to Aug 202029.8%4.8%4.8%n/a25.9%
12 months to Aug 202128.9%4.8%4.8%4.8%22.6%
12 months to Aug 202229.8%4.8%4.8%4.8%22.5%
12 months to Aug 202329.7%4.8%4.8%n/a24.2%
12 months to Aug 202429.2%4.8%n/an/a28.1%
12 months to Aug 202536.6%14.8%4.8%4.8%35.5%
12 months to Aug 202646.1%15.0%24.8%9.3%37.2%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$5.9M−25%37.2%+1.7 pts$702K−18%
12 months to Aug 2025$7.8M+1.4%35.5%+7.4 pts$858K+9.2%
12 months to Aug 2024$7.7M+22%28.1%+3.9 pts$786K−12%
12 months to Aug 2023$6.3M−41%24.2%+1.7 pts$895K−32%
12 months to Aug 2022$10.7M+11%22.5%0.0 pts$1.3M−18%
12 months to Aug 2021$9.7M−3.3%22.6%−3.3 pts$1.6M−46%
12 months to Aug 2020$10.0M−20%25.9%+10.3 pts$3.0M−27%
12 months to Aug 2019$12.5M+41%15.5%+10.7 pts$4.1M+48%
12 months to Aug 2018$8.9M+15%4.8%0.0 pts$2.8M−2.9%
12 months to Aug 2017$7.7M4.8%$2.8M

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

CountryUS importsShareAverage priceDuty paidLast 13 months
China$122K100.0%new$22.06/kg+36%40.5%−19.3 pts
All countries$122K100.0%$22.06/kg+31%40.5%+21.5 pts

The 3 largest suppliers had 90.0% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

  • Price
  • Freight and insurance
  • Duty
CountryPriceFreight and insuranceDutyLanded costMake-up
India$13.00/kg$0.68/kg5.2% of price$1.92/kg14.8% of price$15.60/kg
Spain$16.00/kg$0.35/kg2.2% of price$2.37/kg14.8% of price$18.72/kg−4.9%
China$14.25/kg$0.60/kg4.2% of price$5.62/kg39.4% of price$20.47/kg−7.1%
All countries$14.02/kg$0.61/kg4.3% of price$4.71/kg33.6% of price$19.34/kg−9.8%

Landed at a US port, India was cheapest, at $15.60/kg: 16.7% below Spain.

How the market is shifting

India gained the most share: 10.8% of US imports over the last 12 months, up from 0.0% in the 12 months before. China lost the most: 67.9%, down from 94.8%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

  • China
  • Spain
  • India
  • Germany
  • All countries
Share of US imports
Show the numbers
MonthChinaSpainIndiaGermany
September 2024100.0%0.0%0.0%0.0%
October 2024100.0%0.0%0.0%0.0%
November 202498.3%0.0%0.0%0.0%
December 202499.8%0.0%0.2%0.0%
January 202599.4%0.0%0.0%0.6%
February 2025100.0%0.0%0.0%0.0%
March 2025100.0%0.0%0.0%0.0%
April 202579.6%20.4%0.0%0.0%
May 2025100.0%0.0%0.0%0.0%
June 202566.8%33.2%0.0%0.0%
July 2025100.0%0.0%0.0%0.0%
August 20250.0%100.0%0.0%0.0%
September 202572.9%27.1%0.0%0.0%
October 202569.9%30.1%0.0%0.0%
November 202556.0%38.8%0.0%0.0%
December 2025100.0%0.0%0.0%0.0%
January 202668.3%0.0%31.7%0.0%
February 2026100.0%0.0%0.0%0.0%
March 202680.6%0.0%19.4%0.0%
April 202632.6%0.0%13.3%54.2%
May 2026100.0%0.0%0.0%0.0%
June 202685.3%0.0%14.7%0.0%
July 202627.6%15.7%56.7%0.0%
August 2026100.0%0.0%0.0%0.0%
Duty paid, % of value
Show the numbers
MonthChinaSpainIndiaGermanyAll countries
September 202429.8%n/an/an/a29.8%
October 202429.8%n/an/an/a29.8%
November 202429.8%n/an/an/a29.4%
December 202429.8%n/a4.8%n/a29.7%
January 202528.5%n/an/a4.8%28.3%
February 202531.2%n/an/an/a31.2%
March 202549.0%n/an/an/a49.0%
April 202549.8%14.8%n/an/a25.1%
May 202552.7%n/an/an/a52.7%
June 202559.5%14.8%n/an/a46.3%
July 202559.8%n/an/an/a59.8%
August 202559.8%14.8%n/an/a18.9%
September 202561.3%15.0%n/an/a50.3%
October 202559.8%15.0%n/an/a46.6%
November 202550.1%15.0%n/an/a34.9%
December 202551.1%n/an/an/a51.1%
January 202651.6%n/a54.8%n/a52.7%
February 202639.8%n/an/an/a39.8%
March 202636.8%n/a14.8%n/a32.5%
April 202638.3%n/an/a9.3%21.3%
May 202639.1%n/an/an/a39.1%
June 202639.5%n/a14.8%n/a36.0%
July 202629.8%14.8%14.8%n/a16.9%
August 202640.5%n/an/an/a40.5%

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

  1. April 2026 · Duty paid: all countries 45.3% → 28.5%.
  2. January 2026 · Duty paid: China 55.4% → 39.1%.
  3. April–May 2025 · Duty paid: China 30.5% → 59.5%, all countries 29.4% → 49.3%.
  4. July 2019 · Duty paid: China 14.8% → 29.8%, all countries 14.0% → 28.5%.
  5. October 2018 · Duty paid: China 4.8% → 14.7%.

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Newark, NJ$4.3M · 73.7%
  2. New York, NY$619K · 10.5%
  3. San Francisco International Airport, CA$437K · 7.4%
  4. Jfk International Airport, NY$422K · 7.2%
  5. Cleveland, OH$39K · 0.7%

Where US exports go

US exports were $75K in August 2026, unchanged from August 2025, and $702K over the last 12 months, down 18% on the 12 months before. Fastest-growing market with 3% or more of US exports: Australia, up 59%.

MarketLast 12 monthsSharevs 12 months before
Canada$419K59.7%+3.0%
Australia$114K16.2%+59%
Indonesia$41K5.8%+26%
Turkey$32K4.6%+45%
New Zealand$24K3.4%−47%
Germany$14K2.1%−78%
Singapore$13K1.8%+85%
Uruguay$10K1.4%new
Other countries (7)$36K5.1%−69%
All countries$702K100.0%−18%

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 53 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Spain$3.6Min 2025+38%$43K1.2%
Germany$3.5Min 2025−27%$54K1.6%
France$3.4Min 2025+4.6%$4K0.1%
Switzerland$2.2Min 2025−34%$00.0%
Singapore$1.9Min 2025−19%$20K1.0%
Tanzania$1.8Min 2025−12%$00.0%
Netherlands$1.6Min 2025−35%$00.0%
Hong Kong$1.5Min 2025−25%$00.0%

The biggest market outside the US is Spain, which imported $3.6M of this product in 2025, 1.2% of that from the US.

Of these, imports into Spain grew fastest: up 38% from 2024 to 2025.

Other products under heading 2932: heterocyclic compounds with oxygen hetero-atom(s) only. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Heterocyclic compounds with oxygen hetero-atoms(s) only, not elsewhere specifiedHS 2932.99$773.0M$196.7M
LactonesHS 2932.20$250.2M$106.8M
SucraloseHS 2932.14$55.9M$168.5M
Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure, not elsewhere specifiedHS 2932.19$63.4M$29.2M
2-furaldehyde (furfuraldehyde)HS 2932.12$15.7M$575K
Furfuryl alcohol and tetrahydrofurfuryl alcoholHS 2932.13$10.3M$2.8M
TetrahydrofuranHS 2932.11$1.1M$9.9M
Tetrahydrocannabinols (all isomers)HS 2932.95$2K$7.3M
About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity (kilograms), across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Landed cost adds Census's import charges (freight, insurance and other costs of bringing the goods to the first US port) and calculated duty to the customs value, per unit, across the product's 10-digit lines. It leaves out antidumping and countervailing duties, customs fees and transport inland. Prices are averages across the goods within the code, so a lower one can mean cheaper goods, not the same goods for less.
  • Markets abroad are each country's imports as it reports them to UN Comtrade, in US dollars, usually including freight and insurance. Countries report a year or more late and in their own edition of the HS codes, so one still on an older edition is missing for codes that changed in 2022.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

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