Aminohydroxynaphthalenesulfonic acids and salts from India
India exported $69.8 million of aminohydroxynaphthalenesulfonic acids and salts (HS 2922.21) in FY2025-26, up 105% on FY2024-25. Goods made in India pay 10% to 16.5% US import duty, depending on the tariff line, against 26.5% to 44% for goods from China.
- US duty from India
- 10%China 26.5%
- India's exports, FY2025-26
- $70MUp 104.5% on last year
- HS code
- 2922.21Page updated 6 Nov 2026
US import duty, India vs China
India pays 16.5 points less on the lowest-duty line. From the USITC HTS 2026 Rev 22.
All 4 US tariff lines
| HTS line | Description | Base | India | China |
|---|---|---|---|---|
| 2922.21.10.00 | Aminohydroxynaphthalenesulfonic acids and their salts: 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-sulfonic acid and its salts; and 8-Amino-1-naphthol-5-sulfonic acid and its salts5.8% if the goods are for pharmaceutical use | 5.8% | 15.8% | 43.3% |
| 2922.21.25.00 | Aminohydroxynaphthalenesulfonic acids and their salts: 1-Amino-8-hydroxy-4,6-naphthalenedisulfonic acid, monosodium salt0% if the goods are for pharmaceutical use | Free | 10% | 37.5% |
| 2922.21.40.00 | Other: Products described in additional U.S. note 3 to section VI6.5% if the goods are for pharmaceutical use | 6.5% | 16.5% | 26.5% |
| 2922.21.50.00 | Other: Other6.5% if the goods are for pharmaceutical use | 6.5% | 16.5% | 44% |
Totals include the Section 301 duty on goods from India or China and any Section 232 metals duty. They exclude anti-dumping and countervailing duties and customs fees. Check the current rate before you quote.
India's exports of aminohydroxynaphthalenesulfonic acids and salts
India's exports to all countries under HS 2922.21, April to March, from DGCI&S.
Rules and other duties
- EU base duty
- The EU's average applied base (MFN) rate on HS 2922.21 is 6.5%, from 2021 data. It doesn't include India's GSP preference, so goods from India may pay less. Check the current rate in TARIC before you quote.
- RoDTEP
- India's schedule lists 0.7% of FOB value for exporters. The scheme was notified until 30 September 2026, so check with DGFT whether it's been extended.
- India's export policy
- Free to export, with no licence needed.
Common questions
What is the US import duty on aminohydroxynaphthalenesulfonic acids and salts from India?
10% to 16.5% on the 4 US tariff lines under HS 2922.21, including the Section 301 duty on Indian goods and any Section 232 metals duty. Goods from China pay 26.5% to 44%. Anti-dumping duties and customs fees aren't included.
What is the HS code for aminohydroxynaphthalenesulfonic acids and salts?
2922.21, under heading 2922 (Oxygen-function amino-compounds). Check the exact 8-digit or 10-digit line with your customs broker, since duty can differ between lines.
Does India export aminohydroxynaphthalenesulfonic acids and salts?
Yes. India exported $69.8 million under HS 2922.21 in FY2025-26, according to DGCI&S, the Ministry of Commerce's trade statistics body.