Loading...
HSChapter 29
Aminohydroxynaphthalene sulfonic acids are key intermediates in the synthesis of azo dyes, optical brighteners, and specialty pigments, making them essential inputs for the textile and paper chemicals industries. The US tariff schedule subdivides this heading into several 10-digit lines, including a dedicated line for 1-amino-8-hydroxy-3,6-naphthalenedisulfonic acid (2922211000) and lines distinguishing products covered by US Note 3, Section VI (2922214000 vs. 2922215000). India is the dominant supplier, followed by China, with the Netherlands serving as a notable European source. Importers should be aware that certain lines may be subject to Section 301 tariffs on Chinese-origin goods.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
US Note 3 to Section VI identifies specific chemicals produced in the United States, which affects the applicable duty rate. Importers must determine whether their product falls under 2922214000 (products of US Note 3, Section VI) or 2922215000 (all others), as the classification directly impacts the duty owed.
Yes. Chinese-origin goods in this heading may be subject to Section 301 tariffs in addition to the normal column 1 duty rate. Importers sourcing from China should verify the current Section 301 list status for the applicable 10-digit HTS line before entry.
Subheading 17 of 18 in heading 2922
Subheading 292221 · $0 of $86.4M
Supplier Network
Get discovered by U.S. importers searching for HS 292221 — Aminohydroxynaphthalene Sulfonic Acids and Salts. Be the first supplier listed.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share |
|---|---|---|---|---|
| 2922211000 | 1-Amino-8-Hydroxy-3,6-Naphthalene-Disulf Acid Etc | $0 | -- | -- |
| 2922214000 | Aminohydroxnapht Acids Etc of Prod in U.s.nt3 Sec6 | $0 | -- | -- |
| 2922215000 | Aminohydroxnaph Acids,Etc(Exc Prod in U.s.nt3sec6) | $0 | -- | -- |
ImportsExports
Imports
$0YoY · Pro
Exports
$0YoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
None recorded for this period.