Dimethyl Diphenyl Ether Heat Transfer Fluid Grade from China
High-purity dimethyl diphenyl ether formulated for heat transfer applications with minimal anti-oxidants. Classifiable in HTS 2909.30.0500 as the pure named compound with allowed stabilizers per Chapter Note 1(f). Widely used in chemical processing plants and solar thermal systems.
Duty Rate — China → United States
40.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
• Provide thermal stability certificates showing performance without formulation-specific additives
• Label as 'pure chemical with stabilizers' not 'heat transfer fluid' to preserve Chapter 29 status
• Monitor import volumes for EPA review under TSCA high-production volume chemicals