Phosphorus Pentachloride 99% Pure Crystals from Mexico
Phosphorus pentachloride (PCl5) in crystalline form with 99% purity, used primarily as a chlorinating agent in organic synthesis to convert carboxylic acids to acid chlorides. It falls under HTS 2812.14.00.00 as a chloride oxide of the nonmetal phosphorus, specifically phosphorus pentachloride, meeting the chemical definition in Chapter 28. Typically packaged in sealed glass bottles to prevent hydrolysis by moisture.
Duty Rate — Mexico → United States
10%
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
• Classify strictly as chemically defined PCl5; impurities over certain thresholds may shift to 2828 or 2829
• Mandatory DOT/UN 1806 hazardous material declaration and proper packaging for corrosive solids
• Verify REACH/CLP compliance for EU origins; obtain TSCA certification for US registration