Bis(2,4-dicumylphenyl) Pentaerythritol Diphosphite from Canada
Bis(2,4-dicumylphenyl) pentaerythritol diphosphite (AO-626) provides hydrolysis resistance in nylon compounds. Dual phosphite functionality under HTS 2920.29.00.00.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Structure confirmation via LC-MS essential for complex molecule
• Glass transition temperature data supports polymer stabilizer claims
• Low free phenol (<100 ppm) specification prevents phenol classification