Methoxymethyl Mercaptan from China
Methoxymethyl mercaptan (CH3OCH2SH) combines ether and thiol functions with direct C-S bond. HTS 2930.90.92 as other organo-sulfur compound taking precedence in chapter order. Flavor chemical intermediate.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• GC-MS analysis to confirm structure and purity for Chapter 29 eligibility
• Volatile liquid; UN number 3336 documentation for transport
• End-use declaration prevents food additive misclassification