2931.90—Other organo-inorganic compounds, other
General duty rate
Free – 6.5%
Across 16 10-digit lines; pick a line below for the exact rate
Coverage on this page
Up one level: 2931 — Other organo-inorganic compounds: (heading)
Plain-English explanation
HTS 2931.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Other organo-inorganic compounds, other. It sits in Chapter 29: Organic chemicals, Section VI: Products of the Chemical or Allied Industries and rolls up 16 10-digit statistical lines, with general duty rates ranging from Free to 6.5%. 2 Chapter 99 tariff modifications currently touch one or more lines under this subheading.
10-digit lines under 2931.90(16)
Pick a line to view full rate detail and compute landed duty
2931.90.05.00Diphenyldichlorosilane; and phenyltrichlorosilaneFree2931.90.10.004,4'-Diphenylbisphosphonous acid, di(2',2",4',4"-di-tert-butyl)phenyl ester6.5%2931.90.15.00Sodium tetraphenylboron5.8%2931.90.22.00Drugs6.5%2931.90.26.00Pesticides6.5% 2931.90.30.00Products described in additional U.S. note 3 to section VI6.5% Tariff modifications(2)
Chapter 99 overlays touching one or more lines under 2931.90
| Code | Authority | Rate |
|---|---|---|
| 9903.88.04 | section_301 | The duty provided in the applicable subheading + 25% |
| 9903.88.16 | section_301 | The duty provided in the applicable subheading + 15% |
Frequently asked questions
What does HTS 2931.90 cover?
HTS 2931.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Other organo-inorganic compounds, other. It belongs to Chapter 29 and rolls up 16 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 2931.90?
General (Column 1) duty rates for the 10-digit lines under HTS 2931.90 range from Free to 6.5%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
How do I find the right 10-digit line under HTS 2931.90?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 2931.90 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 2931.90?
Learn more
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