HTS 2816.40.10Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium:Oxides, hydroxides and peroxides, of strontium or barium: Of strontium

What that translates to:Strontium oxides, hydroxides and peroxides

Also written 28164010 or 2816.40.1000. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Country of origin

Strontium oxides, hydroxides and peroxides (HTS 2816.40.10) from China owe 29.2% in total duties as of Oct 1, 2026: a 4.2% regular duty plus a 25% China tariff (Section 301).

Total duty rate29.2%That's $2,920 on a $10,000 shipment.

China tariffSection 301, since May 10, 201925%

Regular dutyBase rate (MFN) in the tariff schedule4.2%

Total duty29.2%

No forced-labor tariff on this product: it's on the tariff's exemption list (HTS 9903.05.86).

Sources: USITC Harmonized Tariff Schedule, Revision 20 (2026); USTR, Notice of Modification of Section 301 Action (List 3 raised to 25% from May 10, 2019), 84 FR 20459, May 9, 2019; HTS 9903.88.03.

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Official description

Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium: Oxides, hydroxides and peroxides, of strontium or barium: Of strontium

Legal text from the Harmonized Tariff Schedule, Revision 20 (2026), chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes.

Statistical lines

The 10-digit numbers used on entry paperwork. They share this code's duty rates.

2816.40.1000 (2816401000)Of strontium · reported in kg

What changed for this code

Jul 24, 2026Forced-labor tariffs start on imports from 60 economies (Section 301)
Jul 22, 202625% Section 301 tariff on products of Brazil starts
Jan 1, 2026Section 301 tariff on Nicaragua starts at 0%, set to rise to 10% in 2027 and 15% in 2028

Questions about HTS 2816.40.10

What is the duty rate for HTS 2816.40.10?

The regular (column 1 general) rate printed in the tariff schedule is 4.2%. Goods from China owe 29.2% in total as of Oct 1, 2026, including any additional tariffs. Additional tariffs depend on the country of origin; choose one above to see its full rate.

Is HTS 2816.40.10 subject to Section 301 tariffs?

Yes, for goods from 2 countries and territories as of Oct 1, 2026: China, Nicaragua. Choose a country above to see the rate and any exemptions.

Is HTS 2816.40.10 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 2816.40.10 as of Oct 1, 2026, from any country of origin.

HTSLookup shows the duties CBP collects on this code by country of origin. Antidumping or countervailing duties may also apply to some exporters; they're set per company and aren't shown.