5-Sulfosalicylic Acid from Germany
5-Sulfosalicylic acid (5-hydroxy-2-sulfobenzoic acid) is listed in HTS 2918.29.04.00 despite sulfonation, as a specific exception for phenolic carboxylic acids. Widely used for protein precipitation and iron testing in labs.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Declare sulfonic acid position and content; ensure solution not for specific use per note (e); common pitfall is classifying as general sulfonated in 2918.19