Methyldiglyme (Diethylene Glycol Monomethyl Ether) from China
Methyldiglyme is diethylene glycol monomethyl ether used in battery electrolytes and as a reaction medium in pharmaceutical production. HTS 2909.44.0110 covers this chemically defined monomethyl ether of diethylene glycol. Its high boiling point (162°C) makes it ideal for demanding applications.
Duty Rate — China → United States
43%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide manufacturer's specification sheet confirming ≥99% purity to qualify as chemically defined compound
• Declare as UN1993 Flammable liquid, n.o.s. with proper PG III packaging for transport
• Include end-use statement if importing for electronics to facilitate FDA/USDA clearance if applicable