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

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HS 2837.20

Complex cyanides

In short

  • The US imported $1.9M of this product over the 12 months to August 2026, down 84% on the year before.
  • China is the largest supplier, with 52.2% of US imports; India is next, with 45.6%.
  • China is the cheapest main supplier before and after freight and duty, landing at $5.22/kg.
  • Duty paid averaged 25.5% of the value of imports in August 2026, up 13.5 points on a year earlier.
  • China is gaining share: 81.5% over the last 12 months, up from 11.6%.
  • 2 Federal Register notices named this product's tariff codes in the last 12 months.

US imports, Aug 2026

$107K

↓ −91% vs Aug 2025

Last 12 months

$1.9M

↓ −84% vs the 12 months before

Average duty paid

25.5%

↑ +13.5 pts vs Aug 2025

Top supplier

China

52.2% 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$1.2M
September 2025$75K
October 2025$413K
November 2025$156K
December 2025$229K
January 2026$222K
February 2026$13K
March 2026$117K
April 2026$67K
May 2026$80K
June 2026$248K
July 2026$157K
August 2026$107K

What changed

  • US imports were $107K in August 2026, down 32% from July 2026 and down 91% from August 2025.
  • Over the 12 months to August 2026 they totalled $1.9M, down 84% on the 12 months before.
  • Biggest moves in market share since July 2026: China up from 44.9% to 52.2%, India down from 55.1% to 45.6%.
  • Average price from China rose 649% since July 2026, to $8.80/kg.
  • Duty paid on imports from China rose from 27.5% to 38.6% of their value since July 2026.

US trade by year

US imports were $1.9M in the 12 months to Aug 2026, down 38% on the 12 months to Aug 2017. US exports were $4.2M, up 147%. 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 ↑Duty ↓Duty ↑Duty ↓
Show the numbers
PeriodUS imports
12 months to Aug 2017$3.0M
12 months to Aug 2018$2.9M
12 months to Aug 2019$2.9M
12 months to Aug 2020$2.6M
12 months to Aug 2021$1.9M
12 months to Aug 2022$2.9M
12 months to Aug 2023$8.4M
12 months to Aug 2024$15.8M
12 months to Aug 2025$12.1M
12 months to Aug 2026$1.9M
  • China
  • India
  • Japan
  • Hong Kong
  • All countries
Share of US imports
Show the numbers
PeriodChinaIndiaJapanHong Kong
12 months to Aug 201775.2%14.0%0.0%0.0%
12 months to Aug 201871.4%12.0%0.7%1.1%
12 months to Aug 201972.0%11.4%0.0%0.0%
12 months to Aug 202074.9%6.9%0.0%0.0%
12 months to Aug 202179.3%13.8%0.0%0.0%
12 months to Aug 202286.6%8.4%0.8%0.2%
12 months to Aug 202322.2%1.4%0.3%0.0%
12 months to Aug 202410.6%1.4%0.0%0.0%
12 months to Aug 202511.6%2.9%0.0%0.0%
12 months to Aug 202681.5%17.6%0.4%0.4%
Duty paid, % of value
Show the numbers
PeriodChinaIndiaJapanHong KongAll countries
12 months to Aug 20171.6%0.1%n/an/a1.4%
12 months to Aug 20181.6%0.2%1.7%1.2%1.4%
12 months to Aug 20196.6%0.3%n/an/a4.9%
12 months to Aug 202021.7%1.3%n/an/a16.5%
12 months to Aug 202125.9%1.6%n/an/a20.8%
12 months to Aug 202225.8%1.6%1.7%1.7%22.5%
12 months to Aug 202326.2%1.6%1.1%n/a7.1%
12 months to Aug 202425.8%1.5%n/an/a4.3%
12 months to Aug 202535.3%5.6%n/an/a8.8%
12 months to Aug 202646.4%19.9%14.0%21.1%41.4%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$1.9M−84%41.4%+32.6 pts$4.2M+204%
12 months to Aug 2025$12.1M−23%8.8%+4.6 pts$1.4M+9.4%
12 months to Aug 2024$15.8M+88%4.3%−2.9 pts$1.3M−23%
12 months to Aug 2023$8.4M+189%7.1%−15.4 pts$1.6M−52%
12 months to Aug 2022$2.9M+54%22.5%+1.7 pts$3.4M+88%
12 months to Aug 2021$1.9M−28%20.8%+4.3 pts$1.8M+6.8%
12 months to Aug 2020$2.6M−9.8%16.5%+11.6 pts$1.7M+19%
12 months to Aug 2019$2.9M+2.4%4.9%+3.5 pts$1.4M−14%
12 months to Aug 2018$2.9M−5.2%1.4%0.0 pts$1.7M−1.7%
12 months to Aug 2017$3.0M1.4%$1.7M

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$56K52.2%+51.6 pts$8.80/kg−97%38.6%−17.5 pts
India$49K45.6%+45.0 pts$15.20/kg−15%11.2%−0.2 pts
Germany$2K2.2%new$1,167/kg11.1%
All countries$107K100.0%$11.19/kg+125%25.5%+13.5 pts

The 3 largest suppliers had 99.5% 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
China$3.74/kg$0.18/kg4.9% of price$1.30/kg34.8% of price$5.22/kg−97%
India$16.40/kg$0.56/kg3.4% of price$1.76/kg10.8% of price$18.72/kg+226%
All countries$5.03/kg$0.22/kg4.4% of price$1.35/kg26.8% of price$6.61/kg+65%

Landed at a US port, China was cheapest, at $5.22/kg: 72.1% below India.

Landed cost from India rose 226% on a year earlier, to $18.72/kg, mostly on price: $4.98/kg then, $16.40/kg now.

How the market is shifting

China gained the most share: 81.5% of US imports over the last 12 months, up from 11.6% in the 12 months before. 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
  • India
  • Japan
  • Hong Kong
  • All countries
Share of US imports
Show the numbers
MonthChinaIndiaJapanHong Kong
September 202488.5%5.5%0.0%0.0%
October 202421.4%78.6%0.0%0.0%
November 202465.6%31.9%0.0%0.0%
December 202492.3%0.0%0.0%0.0%
January 202587.0%11.9%0.0%0.0%
February 2025100.0%0.0%0.0%0.0%
March 20254.7%0.3%0.0%0.0%
April 202523.7%2.7%0.0%0.0%
May 202572.3%10.5%0.0%0.0%
June 20250.0%3.9%0.0%0.0%
July 20251.2%5.3%0.0%0.0%
August 20250.6%0.7%0.0%0.0%
September 202596.1%3.9%0.0%0.0%
October 202595.2%4.8%0.0%0.0%
November 202590.2%5.5%0.0%4.3%
December 202597.5%0.0%2.5%0.0%
January 202677.8%22.2%0.0%0.0%
February 202674.6%25.4%0.0%0.0%
March 202675.7%24.3%0.0%0.0%
April 202657.6%42.4%0.0%0.0%
May 202667.5%32.5%0.0%0.0%
June 202687.1%11.9%0.9%0.0%
July 202644.9%55.1%0.0%0.0%
August 202652.2%45.6%0.0%0.0%
Duty paid, % of value
Show the numbers
MonthChinaIndiaJapanHong KongAll countries
September 202411.3%1.1%n/an/a10.2%
October 202426.1%1.6%n/an/a6.9%
November 202426.4%1.4%n/an/a17.8%
December 202416.8%n/an/an/a15.6%
January 202524.4%1.5%n/an/a21.4%
February 202526.7%n/an/an/a26.7%
March 202538.6%1.6%n/an/a3.4%
April 202546.6%2.1%n/an/a12.4%
May 202554.0%6.4%n/an/a41.4%
June 2025n/a11.5%n/an/a11.7%
July 202556.1%11.6%n/an/a12.2%
August 202556.1%11.4%n/an/a12.0%
September 202556.7%51.7%n/an/a56.5%
October 202556.5%51.3%n/an/a56.3%
November 202552.9%51.5%n/a21.1%51.4%
December 202546.4%n/a15.0%n/a45.7%
January 202646.7%46.8%n/an/a46.7%
February 202646.1%51.1%n/an/a47.4%
March 202636.6%4.0%n/an/a28.7%
April 202636.7%11.6%n/an/a26.1%
May 202636.3%11.3%n/an/a28.2%
June 202636.2%11.3%11.7%n/a33.0%
July 202627.5%10.3%n/an/a18.0%
August 202638.6%11.2%n/an/a25.5%

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. September 2025 · Duty paid: all countries 12.4% → 51.6%.
  2. April 2025 · Duty paid: all countries 20.4% → 12.6%.
  3. April 2024 · Duty paid: all countries 20.1% → 3.5%.
  4. October 2023 · Duty paid: all countries 5.4% → 13.7%.
  5. October 2022 · Duty paid: all countries 23.1% → 4.2%.
  6. March–May 2020 · Duty paid: China 20.7% → 26.6%, all countries 10.8% → 24.3%.
  7. March 2019 · Duty paid: China 8.0% → 2.3%.
  8. September 2018 · Duty paid: China 1.7% → 8.8%.

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 2837.20

Where it enters the US

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

  1. Newark, NJ$937K · 49.7%
  2. Savannah, GA$231K · 12.3%
  3. Houston, TX$212K · 11.3%
  4. Norfolk-Newport News, VA$95K · 5.0%
  5. Los Angeles, CA$94K · 5.0%

Where US exports go

US exports were $2.4M in August 2026, up 3558% from August 2025, and $4.2M over the last 12 months, up 204% on the 12 months before. Fastest-growing market with 3% or more of US exports: Switzerland, up 5320%.

MarketLast 12 monthsSharevs 12 months before
Mexico$2.6M63.0%+2269%
United Kingdom$561K13.4%+7.1%
Canada$406K9.7%+384%
Germany$288K6.9%+13%
Switzerland$162K3.9%+5320%
China$69K1.7%−70%
India$30K0.7%+4.0%
Japan$14K0.3%−6.0%
Other countries (2)$15K0.4%−78%
All countries$4.2M100.0%+204%

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; 99 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
China$9.3Min 2025+22%$312K3.4%
Finland$5.8Min 2025+172%$3840.0%
Malaysia$5.3Min 2025+28%$4K0.1%
India$3.2Min 2025−5.2%$39K1.2%
Germany$3.2Min 2025+12%$342K10.7%
Japan$1.9Min 2025−15%$18K0.9%
Korea, South$1.7Min 2025−27%$82K4.8%
United Kingdom$1.7Min 2025−48%$757K44.8%

The biggest market outside the US is China, which imported $9.3M of this product in 2025, 3.4% of that from the US.

The US supplies 44.8% of imports into the United Kingdom, but under 10% into China, Finland and Malaysia.

Of these, imports into Finland grew fastest: up 172% from 2024 to 2025.

Other products under heading 2837: cyanides, cyanide oxides and complex cyanides. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Cyanides and cyanide oxides of sodiumHS 2837.11$3.8M$252.6M
Cyanides and cyanide oxides, not elsewhere specifiedHS 2837.19$2.7M$855K
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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