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

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HS 2829.90

Perchlorates; bromates and perbromates; iodates and periodates

In short

  • The US imported $9.9M of this product over the 12 months to August 2026, down 2.0% on the year before.
  • India is the largest supplier, with 46.4% of US imports; China is next, with 26.2%.
  • Sweden is the cheapest main supplier before and after freight and duty, landing at $2.83/kg.
  • Duty paid averaged 13.9% of the value of imports in August 2026, up 11.6 points on a year earlier.
  • India is gaining share: 28.5% over the last 12 months, up from 25.5%.
  • US exports were $80.6M over the last 12 months; the largest market is Korea, South, with 35.2%.

US imports, Aug 2026

$1.1M

↑ +175% vs Aug 2025

Last 12 months

$9.9M

↓ −2.0% vs the 12 months before

Average duty paid

13.9%

↑ +11.6 pts vs Aug 2025

Top supplier

India

46.4% 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 ↑Duty ↓
Show the numbers
MonthUS imports
August 2025$392K
September 2025$885K
October 2025$911K
November 2025$894K
December 2025$594K
January 2026$794K
February 2026$592K
March 2026$805K
April 2026$816K
May 2026$819K
June 2026$830K
July 2026$863K
August 2026$1.1M

What changed

  • US imports were $1.1M in August 2026, up 25% from July 2026 and up 175% from August 2025.
  • Over the 12 months to August 2026 they totalled $9.9M, down 2.0% on the 12 months before.
  • Biggest moves in market share since July 2026: China up from 0.0% to 26.2%, Canada down from 46.3% to 16.0%.
  • Average price from India rose 44% since July 2026, to $5.77/kg.
  • Duty paid on imports from Sweden fell from 13.1% to 10.0% of their value since July 2026.
  • Duty paid on imports from India rose from 9.0% to 11.9% of their value since July 2026.

US trade by year

US imports were $9.9M in the 12 months to Aug 2026, up 18% on the 12 months to Aug 2017. US exports were $80.6M, up 529%. 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 ↑China ↑Duty ↑
Show the numbers
PeriodUS imports
12 months to Aug 2017$8.4M
12 months to Aug 2018$17.5M
12 months to Aug 2019$13.6M
12 months to Aug 2020$14.2M
12 months to Aug 2021$10.3M
12 months to Aug 2022$19.8M
12 months to Aug 2023$21.6M
12 months to Aug 2024$11.0M
12 months to Aug 2025$10.1M
12 months to Aug 2026$9.9M
  • Canada
  • India
  • China
  • Brazil
  • All countries
Share of US imports
Show the numbers
PeriodCanadaIndiaChinaBrazil
12 months to Aug 201719.8%13.1%54.3%0.1%
12 months to Aug 201811.4%15.2%18.7%0.1%
12 months to Aug 201913.1%50.8%20.6%5.8%
12 months to Aug 202016.2%49.2%10.8%9.8%
12 months to Aug 202121.0%52.2%8.7%5.3%
12 months to Aug 202217.1%10.7%5.9%2.9%
12 months to Aug 202317.9%15.3%7.4%2.7%
12 months to Aug 202442.4%23.7%16.3%10.1%
12 months to Aug 202548.8%25.5%13.4%6.6%
12 months to Aug 202647.0%28.5%9.8%7.5%
Duty paid, % of value
Show the numbers
PeriodCanadaIndiaChinaBrazilAll countries
12 months to Aug 20170.0%0.3%1.4%1.2%1.2%
12 months to Aug 20180.0%1.2%1.2%3.1%2.4%
12 months to Aug 20190.0%1.3%5.4%0.4%2.1%
12 months to Aug 20200.0%3.5%18.3%0.0%4.2%
12 months to Aug 20210.0%3.5%11.3%0.4%3.3%
12 months to Aug 20220.0%3.2%10.6%0.2%3.2%
12 months to Aug 20230.0%2.6%3.3%1.6%2.7%
12 months to Aug 20240.0%3.0%2.9%2.5%1.7%
12 months to Aug 20250.0%4.8%2.7%6.3%2.4%
12 months to Aug 20260.0%19.1%22.0%37.4%11.3%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$9.9M−2.0%11.3%+8.9 pts$80.6M+59%
12 months to Aug 2025$10.1M−8.3%2.4%+0.8 pts$50.5M+38%
12 months to Aug 2024$11.0M−49%1.7%−1.0 pts$36.5M+62%
12 months to Aug 2023$21.6M+9.1%2.7%−0.6 pts$22.6M+108%
12 months to Aug 2022$19.8M+93%3.2%0.0 pts$10.9M−16%
12 months to Aug 2021$10.3M−28%3.3%−0.9 pts$12.9M−9.1%
12 months to Aug 2020$14.2M+4.7%4.2%+2.1 pts$14.2M−13%
12 months to Aug 2019$13.6M−23%2.1%−0.3 pts$16.3M+32%
12 months to Aug 2018$17.5M+108%2.4%+1.2 pts$12.4M−3.2%
12 months to Aug 2017$8.4M1.2%$12.8M

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
India$499K46.4%+35.4 pts$5.77/kg+38%11.9%−7.0 pts
China$281K26.2%new$3.70/kg19.6%
Canada$172K16.0%−71.3 pts$4.74/kg−11%0.0%0.0 pts
Brazil$75K7.0%new$4.08/kg40.6%
Sweden$45K4.2%new$2.48/kg10.0%
United Kingdom$3K0.2%new$2,626/kg13.7%
All countries$1.1M100.0%$4.57/kg−13%13.9%+11.6 pts

The 3 largest suppliers had 85.2% 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
Sweden$2.54/kg$0.00/kg0.0% of price$0.29/kg11.6% of price$2.83/kg−5.7%
China$3.70/kg$0.07/kg1.8% of price$0.73/kg19.6% of price$4.49/kg
Canada$4.74/kg$0.00/kg0.1% of price$0.00/kg0.0% of price$4.74/kg−3.4%
Brazil$4.12/kg$0.18/kg4.3% of price$0.96/kg23.2% of price$5.26/kg0.0%
India$5.01/kg$0.22/kg4.5% of price$0.54/kg10.7% of price$5.77/kg+27%
All countries$4.44/kg$0.13/kg2.8% of price$0.41/kg9.2% of price$4.97/kg+5.1%

Landed at a US port, Sweden was cheapest, at $2.83/kg: 37.0% below China.

Landed cost from India rose 27% on a year earlier, to $5.77/kg, mostly on price: $3.68/kg then, $5.01/kg now.

How the market is shifting

India gained the most share: 28.5% of US imports over the last 12 months, up from 25.5% in the 12 months before. China lost the most: 9.8%, down from 13.4%. 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.

  • Canada
  • India
  • China
  • Brazil
  • All countries
Share of US imports
Show the numbers
MonthCanadaIndiaChinaBrazil
September 202446.7%35.3%8.3%3.5%
October 202441.5%22.6%28.0%0.0%
November 202452.5%28.2%9.3%9.9%
December 202436.2%24.7%29.3%0.0%
January 202539.1%34.6%15.4%4.9%
February 202557.0%10.3%23.2%8.0%
March 202558.8%22.4%14.9%0.0%
April 202557.1%3.1%0.0%28.6%
May 20251.9%74.2%0.0%23.9%
June 202545.6%9.1%0.0%25.5%
July 202563.8%36.2%0.0%0.0%
August 202587.4%10.9%0.0%0.0%
September 202550.5%13.5%10.4%15.4%
October 202555.9%21.1%10.1%5.3%
November 202569.5%16.8%0.0%8.5%
December 202548.6%22.5%15.5%12.8%
January 202636.4%46.1%11.7%0.0%
February 202655.5%23.5%0.0%12.8%
March 202649.8%16.2%4.7%15.5%
April 202664.4%12.6%21.4%0.0%
May 202642.3%28.1%12.5%0.0%
June 202637.6%40.4%0.0%15.7%
July 202646.3%48.2%0.0%0.0%
August 202616.0%46.4%26.2%7.0%
Duty paid, % of value
Show the numbers
MonthCanadaIndiaChinaBrazilAll countries
September 20240.0%3.7%0.0%3.1%1.5%
October 20240.0%2.1%0.0%n/a0.7%
November 20240.0%3.5%0.0%3.1%1.3%
December 20240.0%2.7%0.4%n/a1.1%
January 20250.0%3.1%0.0%3.1%1.2%
February 20250.0%2.7%0.0%3.1%0.6%
March 20250.0%3.7%20.0%n/a3.9%
April 20250.0%9.6%n/a2.7%1.4%
May 20250.0%12.7%n/a13.1%12.5%
June 20250.0%13.7%n/a13.1%9.3%
July 20250.0%11.4%n/an/a4.1%
August 20250.0%18.9%n/an/a2.3%
September 20250.0%47.5%30.0%53.1%19.3%
October 20250.0%50.0%30.0%53.1%13.8%
November 20250.0%50.7%n/a53.1%13.8%
December 20250.0%50.3%20.0%53.1%21.3%
January 20260.0%32.8%20.0%n/a12.9%
February 20260.0%10.9%n/a53.1%10.7%
March 20260.0%10.9%38.1%9.2%6.8%
April 20260.0%10.2%22.9%n/a6.4%
May 20260.0%10.2%10.0%n/a6.4%
June 20260.0%11.1%n/a13.1%7.3%
July 20260.0%9.0%n/an/a5.0%
August 20260.0%11.9%19.6%40.6%13.9%

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. February 2026 · Duty paid: India 50.7% → 10.8%, all countries 13.1% → 7.1%.
  2. September 2025 · Duty paid: all countries 6.7% → 16.2%.
  3. March 2025 · Duty paid: all countries 1.4% → 6.8%.
  4. February 2024 · Duty paid: China 0.0% → 7.7%.
  5. June 2019 · Duty paid: China 3.0% → 14.4%.
  6. September 2018 · Duty paid: China 1.0% → 6.7%.

Where it enters the US

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

  1. Port Huron, MI$3.3M · 33.5%
  2. Houston, TX$2.2M · 22.7%
  3. Newark, NJ$1.6M · 16.0%
  4. Detroit, MI$1.2M · 11.7%
  5. Savannah, GA$721K · 7.3%

Where US exports go

US exports were $6.8M in August 2026, up 311% from August 2025, and $80.6M over the last 12 months, up 59% on the 12 months before. Fastest-growing market with 3% or more of US exports: Finland, up 7076%.

MarketLast 12 monthsSharevs 12 months before
Korea, South$28.4M35.2%+92%
Turkey$13.2M16.4%+396%
Finland$10.4M12.9%+7076%
Japan$4.3M5.4%+158%
Israel$4.3M5.4%−42%
South Africa$3.9M4.9%+121%
Spain$2.3M2.9%+366%
Norway$2.3M2.9%−13%
Other countries (36)$11.3M14.1%−30%
All countries$80.6M100.0%+59%

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; 110 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Belgium$33.3Min 2025+30%$175K0.5%
Korea, South$28.6Min 2025+18%$22.0M77.1%
Turkey$21.0Min 2025+24%$3.3M15.6%
Italy$20.7Min 2025+24%$3.0M14.6%
Germany$17.0Min 2025+33%$2.4M13.9%
Poland$16.3Min 2025+22%$669K4.1%
Netherlands$11.9Min 2025+51%$123K1.0%
Hungary$10.2Min 2025−5.1%$1220.0%

The biggest market outside the US is Belgium, which imported $33.3M of this product in 2025, 0.5% of that from the US.

The US supplies 77.1% of imports into South Korea, but under 10% into Belgium, Poland and the Netherlands.

Of these, imports into the Netherlands grew fastest: up 51% from 2024 to 2025.

Other products under heading 2829: chlorates and perchlorates; bromates and perbromates; iodates and periodates. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Sodium chlorateHS 2829.11$137.0M$30.2M
Chlorates, except sodium chlorate, not elsewhere specifiedHS 2829.19$298K$1.1M
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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