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

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1-chloro-2,3-epoxypropane (epichlorohydrin)

In short

  • The US imported $49.1M of this product over the 12 months to August 2026, down 26% on the year before.
  • Thailand is the largest supplier, with 58.4% of US imports; Korea, South is next, with 40.6%.
  • Thailand has the lowest price, but landed at a US port with freight and duty Korea, South is cheaper: $2.17/kg against $2.23/kg.
  • Duty paid averaged 14.6% of the value of imports in August 2026, up 2.0 points on a year earlier.
  • Thailand is gaining share: 37.2% over the last 12 months, up from 25.7%.
  • 2 Federal Register notices named this product's tariff codes in the last 12 months.

US imports, Aug 2026

$9.2M

↑ +132% vs Aug 2025

Last 12 months

$49.1M

↓ −26% vs the 12 months before

Average duty paid

14.6%

↑ +2.0 pts vs Aug 2025

Top supplier

Thailand

58.4% 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.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAugDuty ↑
Show the numbers
MonthUS imports
August 2025$3.9M
September 2025$4.8M
October 2025$1.5M
November 2025$1.5M
December 2025$98K
January 2026$9.5M
February 2026$3.7M
March 2026$7.3M
April 2026$3K
May 2026$1.7M
June 2026$7.4M
July 2026$2.5M
August 2026$9.2M

What changed

  • US imports were $9.2M in August 2026, up 266% from July 2026 and up 132% from August 2025.
  • Over the 12 months to August 2026 they totalled $49.1M, down 26% on the 12 months before.
  • Biggest moves in market share since July 2026: Thailand up from 0.0% to 58.4%, Korea, South down from 95.8% to 40.6%.
  • Average price from Korea, South stayed within 5% of July 2026, at $1.80/kg.
  • Duty paid on imports from India fell from 13.7% to 3.7% of their value since July 2026.
  • Duty paid on imports from Korea, South rose from 9.6% to 12.5% of their value since July 2026.

US trade by year

US imports were $49.1M in the 12 months to Aug 2026, down 3.9% on the 12 months to Aug 2017. US exports were $108.5M, up 169%. 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.

2017201820192020202120222023202420252026Duty ↑
Show the numbers
PeriodUS imports
12 months to Aug 2017$51.1M
12 months to Aug 2018$52.2M
12 months to Aug 2019$77.1M
12 months to Aug 2020$65.2M
12 months to Aug 2021$72.7M
12 months to Aug 2022$149.6M
12 months to Aug 2023$83.7M
12 months to Aug 2024$48.6M
12 months to Aug 2025$66.4M
12 months to Aug 2026$49.1M
  • Korea, South
  • Thailand
  • Germany
  • United Kingdom
  • All countries
Share of US imports
Show the numbers
PeriodKorea, SouthThailandGermanyUnited Kingdom
12 months to Aug 201740.8%10.1%48.0%0.0%
12 months to Aug 201844.6%6.7%41.6%0.1%
12 months to Aug 201950.5%17.0%26.8%0.0%
12 months to Aug 202040.7%18.4%31.8%0.0%
12 months to Aug 202131.4%23.8%32.6%0.0%
12 months to Aug 202233.2%8.7%26.9%0.1%
12 months to Aug 202323.7%32.4%23.6%0.0%
12 months to Aug 202444.7%32.9%11.0%0.8%
12 months to Aug 202548.4%25.7%23.1%0.8%
12 months to Aug 202657.5%37.2%2.9%1.0%
Duty paid, % of value
Show the numbers
PeriodKorea, SouthThailandGermanyUnited KingdomAll countries
12 months to Aug 20170.3%0.0%3.7%n/a2.0%
12 months to Aug 20180.0%0.0%3.7%3.7%1.8%
12 months to Aug 20190.0%0.0%3.7%n/a1.2%
12 months to Aug 20200.0%0.0%3.7%n/a1.5%
12 months to Aug 20210.0%0.0%3.7%n/a1.7%
12 months to Aug 20220.4%0.0%3.7%3.7%3.6%
12 months to Aug 20230.0%0.0%3.7%n/a3.2%
12 months to Aug 20240.0%0.9%3.7%3.7%1.2%
12 months to Aug 20251.2%3.5%7.1%8.9%3.4%
12 months to Aug 202612.7%16.3%15.0%13.7%14.3%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$49.1M−26%14.3%+10.9 pts$108.5M+63%
12 months to Aug 2025$66.4M+37%3.4%+2.2 pts$66.5M+135%
12 months to Aug 2024$48.6M−42%1.2%−2.0 pts$28.4M−28%
12 months to Aug 2023$83.7M−44%3.2%−0.4 pts$39.4M+38%
12 months to Aug 2022$149.6M+106%3.6%+1.9 pts$28.6M−30%
12 months to Aug 2021$72.7M+12%1.7%+0.1 pts$40.8M+15%
12 months to Aug 2020$65.2M−15%1.5%+0.3 pts$35.6M−29%
12 months to Aug 2019$77.1M+48%1.2%−0.6 pts$50.0M−14%
12 months to Aug 2018$52.2M+2.3%1.8%−0.1 pts$58.2M+44%
12 months to Aug 2017$51.1M2.0%$40.3M

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
Thailand$5.3M58.4%+54.6 pts$1.74/kg−13%16.2%+16.2 pts
Korea, South$3.7M40.6%+0.3 pts$1.80/kg+17%12.5%+2.5 pts
India$45K0.5%new$2.30/kg3.7%
Saudi Arabia$33K0.4%new$1.71/kg16.2%
Taiwan$13K0.1%new$2.30/kg10.0%
All countries$9.2M100.0%$1.77/kg+19%14.6%+2.0 pts

The 3 largest suppliers had 97.6% 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
Korea, South$1.79/kg$0.18/kg10.2% of price$0.20/kg10.9% of price$2.17/kg+30%
Thailand$1.67/kg$0.30/kg18.1% of price$0.25/kg15.0% of price$2.23/kg+42%
All countries$1.73/kg$0.25/kg14.3% of price$0.23/kg13.1% of price$2.21/kg+31%

Landed at a US port, Korea, South was cheapest, at $2.17/kg: 2.4% below Thailand.

Thailand had the lowest price before freight and duty, $1.67/kg, but they added 33.1% to it.

Landed cost from Thailand rose 42% on a year earlier, to $2.23/kg, mostly on price: $1.20/kg then, $1.67/kg now.

How the market is shifting

Thailand gained the most share: 37.2% of US imports over the last 12 months, up from 25.7% in the 12 months before. Germany lost the most: 2.9%, down from 23.1%. 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.

  • Korea, South
  • Thailand
  • Germany
  • United Kingdom
  • All countries
Share of US imports
Show the numbers
MonthKorea, SouthThailandGermanyUnited Kingdom
September 202446.5%53.2%0.3%0.0%
October 20242.4%6.8%77.3%0.0%
November 202497.6%0.0%2.3%0.0%
December 202428.5%0.0%71.5%0.0%
January 202546.6%52.1%0.0%0.0%
February 202546.0%0.0%42.7%0.0%
March 202542.7%0.0%52.1%4.9%
April 202598.8%0.0%0.0%0.0%
May 202536.3%33.9%29.0%0.0%
June 202587.4%0.0%0.0%8.3%
July 202537.9%59.4%0.0%0.0%
August 202540.4%3.7%53.8%0.0%
September 202597.1%0.6%0.0%0.0%
October 20250.0%2.1%95.5%0.0%
November 202594.5%0.0%0.0%0.0%
December 202524.5%0.0%0.0%0.0%
January 202656.4%38.7%0.0%4.5%
February 202697.4%0.0%0.0%0.0%
March 202636.2%63.2%0.0%0.0%
April 20260.0%0.0%0.0%0.0%
May 2026100.0%0.0%0.0%0.0%
June 202637.1%61.7%0.0%1.1%
July 202695.8%0.0%0.0%0.0%
August 202640.6%58.4%0.0%0.0%
Duty paid, % of value
Show the numbers
MonthKorea, SouthThailandGermanyUnited KingdomAll countries
September 20240.0%0.0%3.7%n/a0.0%
October 20240.0%0.0%3.7%n/a3.4%
November 20240.0%n/a3.7%n/a0.1%
December 20240.0%n/a3.7%n/a2.6%
January 20250.0%0.0%n/an/a0.0%
February 20250.0%n/a3.7%n/a2.0%
March 20250.0%n/a3.7%3.7%2.1%
April 20250.0%n/an/an/a0.0%
May 20250.0%3.7%13.7%n/a5.4%
June 20250.2%n/an/a13.7%1.6%
July 202510.0%13.7%n/an/a12.5%
August 202510.0%0.0%13.7%n/a12.6%
September 202513.4%22.7%n/an/a14.1%
October 2025n/a22.7%15.0%n/a16.1%
November 202515.0%n/an/an/a17.1%
December 20250.0%n/an/an/a40.5%
January 202615.0%22.7%n/a13.7%18.0%
February 202615.0%n/an/an/a14.9%
March 20269.9%13.7%n/an/a12.3%
April 2026n/an/an/an/a0.0%
May 202610.0%n/an/an/a10.0%
June 202610.0%13.7%n/a13.7%12.3%
July 20269.6%n/an/an/a9.8%
August 202612.5%16.2%n/an/a14.6%

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. August 2025 · Duty paid: Korea, South 0.1% → 13.4%, all countries 3.6% → 15.1%.

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 2910.30

Where it enters the US

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

  1. Houston, TX$47.1M · 96.0%
  2. Savannah, GA$1.0M · 2.1%
  3. Chicago, IL$615K · 1.3%
  4. Long Beach, CA$173K · 0.4%
  5. Charleston, SC$101K · 0.2%

Where US exports go

US exports were $4.7M in August 2026, down 42% from August 2025, and $108.5M over the last 12 months, up 63% on the 12 months before. Fastest-growing market with 3% or more of US exports: Taiwan, up 357%.

MarketLast 12 monthsSharevs 12 months before
Korea, South$49.6M45.8%+101%
Taiwan$22.3M20.5%+357%
Netherlands$17.1M15.8%+25%
Japan$16.1M14.8%+178%
Brazil$1.8M1.7%−71%
Mexico$1.1M1.0%+49%
Belgium$197K0.2%−94%
Canada$173K0.2%−70%
Other countries (4)$48K0.0%+1028%
All countries$108.5M100.0%+63%

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; 65 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Korea, South$137.3Min 2025+18%$21.0M15.3%
India$98.4Min 2025+27%$1K0.0%
Netherlands$92.3Min 2025+78%$12.7M13.7%
Switzerland$34.8Min 2025+3.4%$339K1.0%
Italy$25.4Min 2025+24%$00.0%
Germany$21.7Min 2025+24%$8.3M38.4%
Taiwan$19.9Min 2024+38%$4050.0%
Japan$15.1Min 2025−25%$4.6M30.3%

The biggest market outside the US is South Korea, which imported $137.3M of this product in 2025, 15.3% of that from the US.

The US supplies 38.4% of imports into Germany and 30.3% into Japan, but under 10% into India, Switzerland and Italy.

Of these, imports into the Netherlands grew fastest: up 78% from 2024 to 2025.

Other products under heading 2910: epoxides, epoxyalcohols, epoxyphenols and epoxyethers with a three-membered ring, and halogenated, sulfonated, nitrated or nitrosated derivative. 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.
  • 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.
  • 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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