Pharma-Grade Anhydrous Tetraborate from China
Pharmaceutical-grade anhydrous disodium tetraborate for buffer solutions in drug manufacturing. HTS 2840.11.00.00 applies as refined anhydrous borax, chemically defined per Chapter 28. High purity ensures no water interference in formulations.
Duty Rate — China → United States
37.8%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Include FDA Drug Master File references if applicable for pharma imports
• Test for heavy metals per USP standards to meet import quality controls
• Separate from general chemicals to avoid cross-contamination claims