HTS 2530.20.20Mineral substances not elsewhere specified or included:Kieserite, epsom salts (natural magnesium sulfates): Epsom salts

What that translates to:Epsom salts natural magnesium sulfate

Also written 25302020 or 2530.20.2000. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Country of origin

Epsom salts natural magnesium sulfate (HTS 2530.20.20) from China owe 25% in total duties as of Oct 1, 2026: no regular duty plus a 25% China tariff (Section 301).

Total duty rate25%That's $2,500 on a $10,000 shipment.

China tariffSection 301, since May 10, 201925%

Regular dutyBase rate (MFN) in the tariff scheduleFree

Total duty25%

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.

Estimate your duty

Estimated duty—

Importing under HTS 2530.20.20? Talk to a licensed broker

Classification, filing, customs bonds and refund help. CBP publishes the brokers permitted at each port.

Find a licensed broker

Opens CBP's list of permitted customs brokers. We're not paid for this link.

Details for customs filings

Official description

Mineral substances not elsewhere specified or included: Kieserite, epsom salts (natural magnesium sulfates): Epsom salts

Legal text from the Harmonized Tariff Schedule, Revision 20 (2026), chapter 25: Salt; sulfur; earths and stone; plastering materials, lime and cement.

Statistical lines

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

2530.20.2000 (2530202000)Epsom salts · 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 2530.20.20

What is the duty rate for HTS 2530.20.20?

The regular (column 1 general) rate printed in the tariff schedule is Free. Goods from China owe 25% 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 2530.20.20 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 2530.20.20 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 2530.20.20 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.