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U.S. imports of naphthylamines and their derivatives; salts (HS 292145) totaled $117K in July 2026, traded with 5 countries.
Naphthylamines and Their Derivatives; Salts imports of $117K in July 2026 ran 45% below the year-to-date monthly average of $212K.
Last updated: July 2026 dataAlpha- and beta-naphthylamine derivatives are specialized aromatic amines used predominantly as intermediates for azo dyes, optical brighteners, and rubber antioxidants; the heading includes naphthalenedisulfonic and naphthalenesulfonic acid derivatives such as Tobias acid (2-amino-1-naphthalenesulfonic acid, line 2921459010) that are key building blocks in reactive dye synthesis. Canada and India are the leading suppliers of US imports under this heading. Importers should note that 1-naphthylamine (alpha-naphthylamine) itself is a recognized carcinogen subject to occupational exposure controls, and its trade requires careful hazard communication documentation.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
4 shipments/mo
Alpha-naphthylamine is classified as a probable human carcinogen and is subject to OSHA Hazard Communication Standard requirements, including a compliant Safety Data Sheet. TSCA import certification is also required. Importers and downstream handlers must ensure proper labeling and exposure controls are in place before distribution.
Tobias acid (CAS 81-16-3) is a sulfonated naphthylamine used as a coupling component in the synthesis of azo dyes for textiles and leather. Its commercial volume and distinct chemical identity justify a dedicated 10-digit line, which also facilitates trade statistics tracking for this specific intermediate.
HSChapter 29
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Subheading 15 of 18 in heading 2921
Subheading 292145 · $117K of $80.2M
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 | Duty Collected |
|---|---|---|---|---|---|
| 2921459090 | Aromatic Monoamines & Derivatives & Salts NESOI | $96K | 0.24% | 3.69% | $230 |
| 2921452000 | 3-Amino-2,7-Naphthalenedisulfonic Acid, Etc | $21K | 0.00% | 0.00% | -- |
| 2921451000 | N-Phenyl-2-Naphthylamine, Etc | $0 | -- | -- | -- |
| 2921452500 | Mixtures 5-and 8-Amino-2-Naphthalenesulfonic Acid | $0 | -- | -- | -- |
| 2921456000 | Arom Monoamines and Der of Prod in US Nt 3 Sec 6 | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2921450000 | 1-Naphthylamine, 2-Naphthyla & Their Derivatives | $74K |
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.
ImportsExports
Imports
$117KYoY · Pro
Exports
$74KYoY · 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
Canada and Switzerland together supply 100% of it.
customs district
destination
entry
rate provision · imports
97.0% enters free of duty; the effective duty rate is 0.20%.