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

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Acetic anhydride

In short

  • The US imported $21.7M of this product over the 12 months to August 2026, up 2.2% on the year before.
  • Mexico is the largest supplier, with 99.3% of US imports; India is next, with 0.7%.
  • Duty paid averaged 1.7% of the value of imports in August 2026, down 0.5 points on a year earlier.
  • Mexico is gaining share: 99.3% over the last 12 months, up from 83.1%.
  • 2 Federal Register notices named this product's tariff codes in the last 12 months.
  • US exports were $65.2M over the last 12 months; the largest market is Netherlands, with 76.2%.

US imports, Aug 2026

$2.5M

↑ +7.5% vs Aug 2025

Last 12 months

$21.7M

↑ +2.2% vs the 12 months before

Average duty paid

1.7%

↓ −0.5 pts vs Aug 2025

Top supplier

Mexico

99.3% 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.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAug
Show the numbers
MonthUS imports
August 2025$2.4M
September 2025$1.8M
October 2025$2.8M
November 2025$1.8M
December 2025$2.9M
January 2026$1.2M
February 2026$979K
March 2026$100K
April 2026$2.1M
May 2026$1.0M
June 2026$2.1M
July 2026$2.3M
August 2026$2.5M

What changed

  • US imports were $2.5M in August 2026, up 8.9% from July 2026 and up 7.5% from August 2025.
  • Over the 12 months to August 2026 they totalled $21.7M, up 2.2% on the 12 months before.
  • Market shares barely moved since July 2026: no supplier with 3% or more of the market gained or lost 2 points.
  • Average price from Mexico stayed within 5% of July 2026, at $0.74/kg.
  • Duty paid by the main suppliers held within 2 points of July 2026.

US trade by year

US imports were $21.7M in the 12 months to Aug 2026, up 58% on the 12 months to Aug 2017. US exports were $65.2M, up 56%.

2017201820192020202120222023202420252026
Show the numbers
PeriodUS imports
12 months to Aug 2017$13.7M
12 months to Aug 2018$39.0M
12 months to Aug 2019$31.1M
12 months to Aug 2020$29.0M
12 months to Aug 2021$28.7M
12 months to Aug 2022$37.4M
12 months to Aug 2023$30.0M
12 months to Aug 2024$23.1M
12 months to Aug 2025$21.2M
12 months to Aug 2026$21.7M
  • Mexico
  • India
  • China
  • Germany
  • All countries
Share of US imports
Show the numbers
PeriodMexicoIndiaChinaGermany
12 months to Aug 201757.5%0.1%0.0%0.0%
12 months to Aug 201849.7%14.9%0.0%0.0%
12 months to Aug 201996.3%0.0%0.0%0.0%
12 months to Aug 202092.6%2.3%0.0%0.0%
12 months to Aug 202198.8%1.2%0.0%0.0%
12 months to Aug 202295.3%0.5%0.0%0.0%
12 months to Aug 202399.0%1.0%0.0%0.0%
12 months to Aug 202497.5%2.5%0.0%0.0%
12 months to Aug 202583.1%8.5%0.1%0.0%
12 months to Aug 202699.3%0.5%0.1%0.0%
Duty paid, % of value
Show the numbers
PeriodMexicoIndiaChinaGermanyAll countries
12 months to Aug 20170.0%0.0%n/an/a1.5%
12 months to Aug 20180.0%1.8%3.5%n/a1.7%
12 months to Aug 20190.0%n/an/a3.5%0.1%
12 months to Aug 20200.8%3.5%n/a3.5%1.0%
12 months to Aug 20211.8%3.5%n/an/a1.9%
12 months to Aug 20221.8%3.5%n/an/a1.9%
12 months to Aug 20231.6%3.5%28.5%n/a1.6%
12 months to Aug 20241.0%3.5%28.5%n/a1.1%
12 months to Aug 20251.0%3.6%43.1%13.5%1.2%
12 months to Aug 20260.8%19.5%38.5%13.5%0.9%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$21.7M+2.2%0.9%−0.3 pts$65.2M+14%
12 months to Aug 2025$21.2M−8.1%1.2%+0.1 pts$57.3M+7.0%
12 months to Aug 2024$23.1M−23%1.1%−0.6 pts$53.6M−13%
12 months to Aug 2023$30.0M−20%1.6%−0.2 pts$61.3M−24%
12 months to Aug 2022$37.4M+31%1.9%0.0 pts$80.6M+31%
12 months to Aug 2021$28.7M−1.0%1.9%+0.8 pts$61.6M+28%
12 months to Aug 2020$29.0M−6.9%1.0%+0.9 pts$48.2M−37%
12 months to Aug 2019$31.1M−20%0.1%−1.6 pts$76.2M+81%
12 months to Aug 2018$39.0M+184%1.7%+0.3 pts$42.1M+0.4%
12 months to Aug 2017$13.7M1.5%$41.9M

Who supplies the US

August 2026. Small figures under each value are the change from August 2025.

CountryUS importsShareAverage priceDuty paidLast 13 months
Mexico$2.5M99.3%−0.7 pts$0.74/kg−21%1.6%−0.6 pts
India$17K0.7%new$0.88/kg13.5%
All countries$2.5M100.0%$0.75/kg−21%1.7%−0.5 pts

The 3 largest suppliers had 100.0% of US imports over the last 12 months.

How the market is shifting

Mexico gained the most share: 99.3% of US imports over the last 12 months, up from 83.1% in the 12 months before. India lost the most: 0.5%, down from 8.5%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months.

  • Mexico
  • India
  • China
  • Germany
  • All countries
Share of US imports
Show the numbers
MonthMexicoIndiaChinaGermany
September 202498.1%1.9%0.0%0.0%
October 202479.0%21.0%0.0%0.0%
November 202488.6%11.4%0.0%0.0%
December 202483.2%16.3%0.4%0.0%
January 202584.1%15.5%0.4%0.0%
February 20250.0%100.0%0.0%0.0%
March 202585.9%14.1%0.0%0.0%
April 202537.0%10.0%0.0%0.0%
May 202592.9%7.1%0.0%0.0%
June 202599.2%0.0%0.8%0.0%
July 202599.7%0.0%0.0%0.2%
August 2025100.0%0.0%0.0%0.0%
September 2025100.0%0.0%0.0%0.0%
October 2025100.0%0.0%0.0%0.0%
November 2025100.0%0.0%0.0%0.0%
December 202599.6%0.4%0.0%0.0%
January 2026100.0%0.0%0.0%0.0%
February 202698.6%1.4%0.0%0.0%
March 202674.2%13.4%12.4%0.0%
April 202699.4%0.6%0.0%0.0%
May 202698.7%1.3%0.0%0.0%
June 202699.0%0.8%0.0%0.1%
July 202698.7%0.7%0.6%0.0%
August 202699.3%0.7%0.0%0.0%
Duty paid, % of value
Show the numbers
MonthMexicoIndiaChinaGermanyAll countries
September 20240.0%3.5%n/an/a0.1%
October 20240.0%3.5%n/an/a0.7%
November 20240.0%3.5%n/an/a0.4%
December 20240.0%3.5%28.5%n/a0.7%
January 20250.0%3.5%28.5%n/a0.7%
February 2025n/a3.5%n/an/a3.5%
March 20253.5%3.5%n/an/a3.5%
April 20253.5%3.5%n/an/a1.6%
May 20250.0%4.9%n/an/a0.3%
June 20250.0%n/a58.5%n/a0.4%
July 20250.0%n/an/a13.5%0.0%
August 20252.2%n/an/an/a2.2%
September 20250.0%n/an/an/a0.0%
October 20251.7%n/an/an/a1.7%
November 20250.0%n/an/an/a0.0%
December 20252.8%53.5%n/an/a3.0%
January 20260.0%n/an/an/a0.0%
February 20260.0%28.5%n/an/a0.4%
March 20260.0%13.5%38.5%n/a6.6%
April 20260.0%13.5%n/an/a0.1%
May 20260.0%13.5%n/an/a0.2%
June 20260.0%13.5%n/a13.5%0.1%
July 20260.0%13.5%38.5%n/a0.3%
August 20261.6%13.5%n/an/a1.7%

Tariff actions touching this product

Federal Register notices from the last 12 months that list this product's tariff codes. A notice can add a duty, exclude products from one or only mention them, so read each for what it changes. Search the Federal Register for 2915.24

Where it enters the US

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

  1. Houston, TX$21.5M · 99.3%
  2. Savannah, GA$118K · 0.5%
  3. Newark, NJ$25K · 0.1%
  4. Chicago, IL$3K · 0.0%

Where US exports go

US exports were $9.1M in August 2026, up 240% from August 2025, and $65.2M over the last 12 months, up 14% on the 12 months before. Fastest-growing market with 3% or more of US exports: Netherlands, up 24%.

MarketLast 12 monthsSharevs 12 months before
Netherlands$49.7M76.2%+24%
Brazil$7.0M10.8%+13%
Singapore$3.9M6.0%−23%
Belgium$2.7M4.2%+6.3%
Turkey$1.1M1.7%+17%
Mexico$374K0.6%−44%
Canada$179K0.3%+11%
Korea, South$158K0.2%+32%
Other countries (4)$47K0.1%−94%
All countries$65.2M100.0%+14%

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; 83 have reported 2025 so far. Where a country's figure for imports from the US is under half or over double what the US recorded exporting there that year, the US figure is shown under it.

MarketImportsvs year beforeFrom the USUS share
Germany$73.6Min 2025−20%$11.1MUS records $37K15.1%
Netherlands$65.0Min 2025−13%$40.3M62.0%
Belgium$43.5Min 2025−46%$447K1.0%
Switzerland$24.4Min 2025−7.3%$4K0.0%
France$15.3Min 2025−5.5%$2.7M17.3%
Korea, South$10.2Min 2025+0.2%$279K2.7%
Norway$9.6Min 2025−17%$6.0M62.4%
Italy$7.9Min 2025−9.1%$00.0%

The biggest market outside the US is Germany, which imported $73.6M of this product in 2025, 15.1% of that from the US by its own count; the US records $37K of exports there.

The US supplies 62.0% of imports into the Netherlands and 62.4% into Norway, but under 10% into Belgium, Switzerland and South Korea.

Other products under heading 2915: saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated etc. derivatives. US trade over the 12 months to August 2026.

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.
  • 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.
  • Tariff notices are from the Federal Register, matched to this product by the HTS numbers in their text.
  • 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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