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HTS 2931.90.90 duty rate

Other: Other. General duty 3.7%; Section 301 China: List 4B (suspended, no extra duty).

3.7%General (MFN) duty rate
List 4B (suspended, no extra duty)Section 301, products of China
25%Column 2 (Cuba, North Korea, Russia, Belarus)

Official USITC Harmonized Tariff Schedule, 2026HTSRev20 · data built 2026-10-02 · check on hts.usitc.gov

Tariff line2931.90.90
DescriptionOther organo-inorganic compounds: › Other: › Other: › Other
General rate3.7%
Special rate (trade programs)Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Column 2 rate25%
Units of quantitysee statistical lines
Section 301 (China)List 4B (suspended, no extra duty)
FootnotesPursuant to U.S. note 20(g) to subchapter III, chapter 99, heading 9903.88.04 covers certain goods of this rate line, as indicated by the footnote; please note that statistical reporting descriptions without a footnote are not covered by that heading. · See 9903.90.08.

Section 301 China tariffs on this line

Chapter 99 headingListExtra dutyStatus
9903.88.16List 4B+15%suspended

Statistical reporting numbers (10-digit)

Report the 10-digit number on the entry; the duty rate is the one above.

CodeDescription
2931.90.90.10Organo-silicon compounds
2931.90.90.21Dibutyltin oxide
2931.90.90.25Tetrabutyltin
2931.90.90.29Other
2931.90.90.302-Chlorovinyldichloroarsine
2931.90.90.35Bis(2-chlorovinyl)chloroarsine
2931.90.90.40Tris(2-chlorovinyl)arsine
2931.90.90.52Other

2026 US–China tariff reduction lists: The US–China reduction lists are not published yet. Dutyfinch checks the Federal Register every day and flags each code as soon as the list appears.

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Nearby tariff lines

2931.10.00 · 2931.20.00 · 2931.41.00 · 2931.42.00 · 2931.43.00 · 2931.44.00 · 2931.45.00 · 2931.46.00 · 2931.47.00 · 2931.48.00 · 2931.49.00 · 2931.51.00 · 2931.52.00 · 2931.53.00 · 2931.54.00 · 2931.59.00 · 2931.90.05 · 2931.90.10 · 2931.90.15 · 2931.90.22 · 2931.90.26 · 2931.90.30 · 2931.90.60 · 2931.90.70

← 2931.90.70 · 2932.11.00 → · Heading 2931 · Chapter 29 · Chapter 29 rate summary

General information from the official US Harmonized Tariff Schedule (USITC) and Federal Register; not legal or customs advice. Section 232, IEEPA, antidumping/countervailing and other duties can also apply. Confirm classification and rates with CBP or a licensed customs broker before you file.