Methyl Diethanolamine Phosphite from Japan
Methyl diethanolamine phosphite functions as a reactive flame retardant in rigid polyurethane foams. Amino-alcohol phosphite ester under HTS 2920.29.00.00.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Amine value titration confirms tertiary amine phosphite structure
• Refractive index (1.47-1.49) specification prevents phosphate confusion
• Isocyanate reactivity data supports reactive FR classification