Methyl Diethanolamine Phosphite from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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