U.S. imports of Naphthylamines and Their Derivatives; Salts (HS 292145) totaled $85K in August 2026, imported from 5 countries.
Importers of Naphthylamines and Their Derivatives; Salts paid $16K in duties in August 2026, an average duty rate of 18.86% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Naphthylamines and Their Derivatives; Salts imports of $85K in August 2026 ran 57% below the year-to-date monthly average of $196K.
Last updated: August 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.
8 import shipments a month
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.
Subheading 13 of 18 in heading 2921
Subheading 292145 · $85K of $109.9M
Trade Directory
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ImportsExports
Imports
$85KYoY · free account
Exports
—YoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $1.8M of Naphthylamines and Their Derivatives; Salts and exported $2.2M.
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 · exports 11 of 12 months reported. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 2921452500 | Mixtures 5-and 8-Amino-2-Naphthalenesulfonic Acid | $30K | 10.00% | 100.00% | $3K |
| 2921459090 | Aromatic Monoamines & Derivatives & Salts NESOI | $29K | 32.14% | 100.00% | $9K |
| 2921452000 | 3-Amino-2,7-Naphthalenedisulfonic Acid, Etc | $15K | 13.15% | 100.00% | $2K |
| 2921456000 | Arom Monoamines and Der of Prod in US Nt 3 Sec 6 | $11K | 16.50% | 100.00% | $2K |
| 2921451000 | N-Phenyl-2-Naphthylamine, Etc | — | -- | -- | -- |
Imports · August 2026
origin
India and China together supply 69% of it. China pays 44.0% duty; India 11.7%.
customs district
destination
entry
rate provision · imports
duty collected equals 18.86% of imports for consumption.