Neopentyl Glycol (NPG) Flakes from Mexico
Neopentyl glycol is a chemically defined acyclic diol (2,2-dimethyl-1,3-propanediol) used primarily in the production of polyester resins and plasticizers. This product is imported as white crystalline flakes, meeting Chapter 29 note (a) for separate chemically defined organic compounds. Classified under 2905.39.20.00 as a diol other than ethylene or propylene glycol.
Duty Rate — Mexico → United States
15.5%
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
• Provide Certificate of Analysis (COA) confirming purity >99% as neopentyl glycol to avoid reclassification as mixtures
• Ensure proper UN 3077 packaging for Environmentally Hazardous Substances and include SDS documentation
• Verify CAS number 126-30-7 on labeling to prevent customs holds for misidentified organic chemicals