Tungsten Chloride Anhydride from Mexico
High-purity tungsten chloride anhydride serves as a reagent for synthesizing organotungsten compounds in pharmaceutical intermediates. HTS 2827.39.40.00 covers this pure chloride of tungsten. It appears as a dark crystalline powder.
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
• Lab analysis required to verify anhydrous state; TSCA registration for US manufacturing use; temperature-controlled shipping below 50°C