Aminohydroxynaphthalenesulfonic Acids And Their Salts:
U.S. import duty rate and tariff classification for HTS 2922.21 — Aminohydroxynaphthalenesulfonic Acids And Their Salts:.
General (MFN)—Most-favored-nation rate (most countries)
Special—Trade-agreement partners
Column 2—Non-NTR countries
Subheadings under 2922.21
| HTS code | Description | General rate |
|---|---|---|
| 2922.21.10.00 | 1-amino-8-hydroxy-3,6-naphthalenedisulfonic Acid; 4-amino-5-hydroxy-1,3-naphthalenedisulfonic Acid (chicago Acid); 4-amino-5-hydroxy-1,3-naphthalenedisulfonic Acid, Potassium Salt; 4-amino-5-hydroxy-1,3-naphthalenedisulfonic Acid, Sodium Salt; 4-amino-5-hydroxy-2,7-naphthalenedisulfonic Acid, Monosodium Salt (h Acid, Monosodium Salt); 4-amino-5-hydroxy-2,7-naphthalenedisulfonic Acid, Potassium Salt (h Acid, Monopotassium Salt); 4-amino-3-hydroxy-1-naphthalenesulfonic Acid; 6-amino-1-naphthol-3-s | 5.8% |
| 2922.21.25.00 | 1-amino-8-hydroxy-4,6-naphthalenedisulfonic Acid, Monosodium Salt | Free |
U.S. trade in this category
See actual U.S. import & export volumes for Organic Chemicals (HS 29).
🇨🇳 Importing from China? Goods from China may carry an additional Section 301 tariff (+25% or +7.5%) on top of the rate above.
Estimate the real landed cost →
Source: U.S. International Trade Commission (USITC) Harmonized Tariff Schedule. Rates are for reference; verify with a licensed customs broker before importing.