Benzene Sulfonic Acid Sodium Salt from Mexico
Sodium benzenesulfonate (CAS 127-73-1) is the simplest sulfonated aromatic, derived from phenol structure, containing only sulfo groups. HTS 2908.99.1500 for this pure compound used in chemical synthesis.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• NMR spectrum confirming structure; hygroscopic - sealed packaging
• Avoid 'buffer salt' description triggering food additive scrutiny under Chapter 38