HTS tariff line · chapter 29
2922.21.25
1-Amino-8-hydroxy-4,6-naphthalenedisulfonic acid, monosodium salt
Analysis
HTS 2922.21.25 covers 1-Amino-8-hydroxy-4,6-naphthalenedisulfonic acid, monosodium salt under heading 2922 (oxygen-function amino-compounds).
Rates on the nearby lines range from 5.8% to 6.5%. The costliest confusion would be with 2922.21.50 (other: other) at 6.5%, a difference of 6.5 points on the customs value.
There is no general-rate duty on this line, which puts it with roughly 26% of the 1050 tariff lines in chapter 29 that are also free. Free here means free of the base duty only: origin-specific Chapter 99 duties such as Section 301 can still be owed.
The other lines in the same group are 2922.21.10 (1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid…, 5.8%), 2922.21.40 (products described in additional U.S. note 3 to section VI, 6.5%) and 2922.21.50 (other: other, 6.5%).
Census statistics map these goods to NAICS 325194 (Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing), an industry of 68 US establishments employing 5,542 people, the industry a domestic producer of these goods reports under.
The general rate of Free has not changed in any edition of the schedule since Jan 2023.
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 2922.21.10 | 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 salts | 5.8% |
| 2922.21.40 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2922.21.50 | Other: other | 6.5% |