Benzene Sulfonic Acid Sodium Salt from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• NMR spectrum confirming structure; hygroscopic - sealed packaging
• Avoid 'buffer salt' description triggering food additive scrutiny under Chapter 38