High Purity Methyl Chloride 99.99% Semiconductor from Mexico
Ultra-high purity chloromethane for chemical vapor deposition in semiconductor manufacturing. HTS 2903.11.00 applies to this chemically defined gas meeting electronic grade specifications. Supplied in specialized cleanroom cylinders.
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
• Provide particle count and metallic impurity analysis (<1 ppb) certificates
• Use specialized cleanroom packaging with electropolished components
• Include end-user statements for controlled technology export compliance