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
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• NMR spectrum confirming structure; hygroscopic - sealed packaging
• Avoid 'buffer salt' description triggering food additive scrutiny under Chapter 38