PHT4-Diol (Dibromoneopentylglycol) from Mexico
PHT4-Diol, synonymous with dibromoneopentylglycol, serves as a brominated diol crosslinker in intumescent coatings and epoxy systems for fire protection. Its placement in HTS 2905.59.30.00 reflects its status as a specifically enumerated halogenated acyclic alcohol per the tariff schedule.
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
• Declare exact assay percentage; obtain TSCA approval for new uses
• Common pitfall: incorrect packing group assignment leading to shipping delays