Harmonized System
U.S. exports of Aminohydroxynaphthalene Sulfonic Acids and Salts (HS 292221) totaled $164K in August 2026.
Importers of Aminohydroxynaphthalene Sulfonic Acids and Salts paid $434 in duties in August 2026, an average duty rate of 0.38% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Aminohydroxynaphthalene Sulfonic Acids and Salts imports of $115K in August 2026 ran 60% above the year-to-date monthly average of $72K.
Last updated: August 2026 dataAminohydroxynaphthalene 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.
3 import shipments a month
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 14 of 18 in heading 2922
Subheading 292221 · $164K of $77.7M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2922215000 | Aminohydroxnaph Acids, Etc(Exc Prod in U.s.nt3sec6) | $115K | 0.38% | 2.28% | $434 |
| 2922211000 | 1-Amino-8-Hydroxy-3,6-Naphthalene-Disulf Acid Etc | — | -- | -- | -- |
| 2922214000 | Aminohydroxnapht Acids Etc of Prod in U.s.nt3 Sec6 | — | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2922210000 | Aminohydroxynaphthalenesulfonic Acids and Salts | $164K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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ImportsExports
Imports
$115KYoY · free account
Exports
$164KYoY · free account
Low of 10 reported months · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $825K of Aminohydroxynaphthalene Sulfonic Acids and Salts and exported $459K.
Fewer than 6 of the last 12 months reported trade, or the latest month was under $500K; the trend chart is not shown for thin series.
Through August 2026 · imports 10 of 12 months reported, exports 11 of 12 months reported. Source: U.S. Census Bureau.
Exports · August 2026
destination
Mexico and Canada together take 100% of it.
customs district
entry
rate provision · imports
97.7% enters free of duty; duty collected equals 0.38% of imports for consumption.