Methyl Chloride Pharmaceutical Grade USP from Mexico
USP-grade methyl chloride meets pharmaceutical standards for use in sterile alkylation reactions and as a propellant in metered-dose inhalers. Falls under HTS 2903.11.0010 as chemically pure chloromethane. Supplied in small medical gas cylinders.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include USP/NF certificate of analysis and FDA Drug Master File reference
• Segregate from food/consumer shipments due to extreme toxicity (IDLH 1000 ppm)
• Validate supply chain for DMF compliance if used in FDA-regulated products