Methoxymethyl Mercaptan from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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