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

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HS 2904.35

Other salts of perfluorooctane sulfonic acid

In short

  • The US imported $203K of this product over the 12 months to August 2026.
  • China is gaining share: 98.6% over the last 12 months, up from 0.0%.
  • US exports were $1.4M over the last 12 months; the largest market is Canada, with 95.1%.

US imports, Aug 2026

$0

Last 12 months

$203K

Average duty paid

n/a

Top supplier

None

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$0
September 2025$0
October 2025$0
November 2025$0
December 2025$0
January 2026$200K
February 2026$0
March 2026$0
April 2026$3K
May 2026$0
June 2026$0
July 2026$0
August 2026$0

What changed

  • The US recorded no imports of this product in August 2026.

US trade by year

US imports were $203K in the 12 months to Aug 2026, up 31% on the 12 months to Aug 2018. US exports were $1.4M, up 10263%. This code began with the HS 2017 revision in January 2017, taking goods from 2904.90, so its history starts there.

201820192020202120222023202420252026
Show the numbers
PeriodUS imports
12 months to Aug 2018$155K
12 months to Aug 2019$2K
12 months to Aug 2020$0
12 months to Aug 2021$0
12 months to Aug 2022$0
12 months to Aug 2023$5K
12 months to Aug 2024$7K
12 months to Aug 2025$0
12 months to Aug 2026$203K
  • China
  • Norway
  • All countries
Share of US imports
Show the numbers
PeriodChinaNorway
12 months to Aug 20180.0%0.0%
12 months to Aug 20190.0%0.0%
12 months to Aug 2020n/an/a
12 months to Aug 2021n/an/a
12 months to Aug 2022n/an/a
12 months to Aug 20230.0%0.0%
12 months to Aug 20240.0%0.0%
12 months to Aug 2025n/an/a
12 months to Aug 202698.6%1.4%
Duty paid, % of value
Show the numbers
PeriodChinaNorwayAll countries
12 months to Aug 2018n/an/a0.1%
12 months to Aug 2019n/an/a3.7%
12 months to Aug 2020n/an/an/a
12 months to Aug 2021n/an/an/a
12 months to Aug 2022n/an/an/a
12 months to Aug 2023n/an/a3.7%
12 months to Aug 2024n/an/a3.7%
12 months to Aug 2025n/an/an/a
12 months to Aug 20260.0%13.7%0.2%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$203K0.2%$1.4M+93%
12 months to Aug 2025$0−100%n/a$717K+2336%
12 months to Aug 2024$7K+29%3.7%0.0 pts$29K−91%
12 months to Aug 2023$5K3.7%$310K−48%
12 months to Aug 2022$0n/a$596K
12 months to Aug 2021$0n/a$0
12 months to Aug 2020$0−100%n/a$0
12 months to Aug 2019$2K−98%3.7%+3.6 pts$0−100%
12 months to Aug 2018$155K0.1%$13K

Who supplies the US

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

CountryUS importsShareAverage priceDuty paidLast 13 months
All countries$0n/an/an/a

The 2 largest suppliers had 100.0% of US imports over the last 12 months.

How the market is shifting

China gained the most share: 98.6% of US imports over the last 12 months, up from 0.0% in the 12 months before. The charts show September 2024 to August 2026 for the 2 largest suppliers over the last 12 months.

  • China
  • Norway
  • All countries
Share of US imports
Show the numbers
MonthChinaNorway
September 2024n/an/a
October 2024n/an/a
November 2024n/an/a
December 2024n/an/a
January 2025n/an/a
February 2025n/an/a
March 2025n/an/a
April 2025n/an/a
May 2025n/an/a
June 2025n/an/a
July 2025n/an/a
August 2025n/an/a
September 2025n/an/a
October 2025n/an/a
November 2025n/an/a
December 2025n/an/a
January 2026100.0%0.0%
February 2026n/an/a
March 2026n/an/a
April 20260.0%100.0%
May 2026n/an/a
June 2026n/an/a
July 2026n/an/a
August 2026n/an/a
Duty paid, % of value
Show the numbers
MonthChinaNorwayAll countries
September 2024n/an/an/a
October 2024n/an/an/a
November 2024n/an/an/a
December 2024n/an/an/a
January 2025n/an/an/a
February 2025n/an/an/a
March 2025n/an/an/a
April 2025n/an/an/a
May 2025n/an/an/a
June 2025n/an/an/a
July 2025n/an/an/a
August 2025n/an/an/a
September 2025n/an/an/a
October 2025n/an/an/a
November 2025n/an/an/a
December 2025n/an/an/a
January 20260.0%n/a0.0%
February 2026n/an/an/a
March 2026n/an/an/a
April 2026n/a13.7%13.7%
May 2026n/an/an/a
June 2026n/an/an/a
July 2026n/an/an/a
August 2026n/an/an/a

Where it enters the US

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

  1. Anchorage, AK$200K · 98.6%
  2. Jfk International Airport, NY$3K · 1.4%

Where US exports go

US exports were $328K in August 2026, up 198% from August 2025, and $1.4M over the last 12 months, up 93% on the 12 months before. Fastest-growing market with 3% or more of US exports: Canada, up 86%.

MarketLast 12 monthsSharevs 12 months before
Canada$1.3M95.1%+86%
United Kingdom$68K4.9%new
All countries$1.4M100.0%+93%

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; 12 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Canada$1.0Min 2025+183%$751K74.5%
Egypt$55Kin 2024n/a$00.0%
Malawi$49Kin 2025+10%$00.0%
Korea, South$39Kin 2025−17%$00.0%
Cabo Verde$38Kin 2025n/a$00.0%
Jamaica$11Kin 2024n/a$910.8%
Bulgaria$6Kin 2024+95%$00.0%
Lesotho$3Kin 2024+465%$00.0%

The biggest market outside the US is Canada, which imported $1.0M of this product in 2025, 74.5% of that from the US.

The US supplies 74.5% of imports into Canada, but under 10% into Egypt, Malawi and South Korea.

Other products under heading 2904: sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Nitrated or nitrosated derivatives of hydrocarbons, containing only nitro or nitroso groups, whether or not halogenatedHS 2904.20$54.6M$38.6M
Hydrocarbon derivatives containing only sulfo groups, their salts and ethyl estersHS 2904.10$28.4M$47.3M
Trichloronitramethane (chloropicrin)HS 2904.91$270K$15.2M
Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated, not elsewhere specifiedHS 2904.99$8.6M$2.9M
Perfluorooctane sulfonic acidHS 2904.31none$6K
Potassium perfluorooctane sulfonateHS 2904.34none$4K
Perfluorooctane sulfonyl fluorideHS 2904.36$2Knone
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, 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.
  • 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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