HTS 2811.19.10Other inorganic acids and other inorganic oxygen compounds of nonmetals:Other inorganic acids: Other: Arsenic acid

What that translates to:Arsenic acid

Also written 28111910 or 2811.19.1000. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Country of origin

Arsenic acid (HTS 2811.19.10) from China owe 9.8% in total duties as of Oct 1, 2026: a 2.3% regular duty plus a 7.5% China tariff (Section 301).

Total duty rate9.8%That's $980 on a $10,000 shipment.

China tariffSection 301, since Feb 14, 20207.5%

Regular dutyBase rate (MFN) in the tariff schedule2.3%

Total duty9.8%

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 4A cut to 7.5% from Feb 14, 2020), 85 FR 3741, Jan 22, 2020; HTS 9903.88.15.

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Official description

Other inorganic acids and other inorganic oxygen compounds of nonmetals: Other inorganic acids: Other: Arsenic acid

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.

2811.19.1000 (2811191000)Arsenic acid · 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 2811.19.10

What is the duty rate for HTS 2811.19.10?

The regular (column 1 general) rate printed in the tariff schedule is 2.3%. Goods from China owe 9.8% 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 2811.19.10 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 2811.19.10 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 2811.19.10 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.