Sodium Fluoride Lab Reagent from Mexico
ACS-grade sodium fluoride for analytical chemistry labs, used in fluoride ion selective electrode calibration. HTS 2826.19.20.00 applies as a chemically defined sodium fluoride, not a mixture per Chapter 28. Comes in small bottles for research.
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
• Include lot-specific purity certificates
• For small quantities, use informal entry but declare accurately
• Pitfall: Lab sets classified under 3822