Other
Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated, sulfonated, nitrated or nitrosated derivatives: > Phosphite esters and their salts; their halogenated, sulfonated, nitrated or nitrosated derivatives: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2920.29.00.00
Trimethyl Phosphite
Trimethyl phosphite is a colorless liquid organophosphorus compound with the formula P(OCH3)3, classified under HTS 2920.29.00.00 as a phosphite ester. It is used as a reagent in organic synthesis and as an intermediate for pesticides and flame retardants.
Triethyl Phosphite
Triethyl phosphite (P(OCH2CH3)3) is an organophosphorus compound used in the synthesis of insecticides and as a ligand in metal catalysis. It qualifies under HTS 2920.29.00.00 as 'other' phosphite esters excluding halide esters.
Triphenyl Phosphite
Triphenyl phosphite is a white crystalline solid used as a stabilizer in PVC plastics and as an antioxidant. Classified under HTS 2920.29.00.00 as a phosphite ester and its derivatives.
Tris(2-ethylhexyl) Phosphite
Tris(2-ethylhexyl) phosphite is a viscous liquid phosphite ester used as a secondary plasticizer and heat stabilizer. Falls under HTS 2920.29.00.00 as an 'other' phosphite ester.
Diphenyl Decyl Phosphite
Diphenyl decyl phosphite serves as an antioxidant in lubricants and greases. This mixed phosphite ester is classified under HTS 2920.29.00.00.
Isodecyl Diphenyl Phosphite
Isodecyl diphenyl phosphite functions as a hydrolysis stabilizer in polyurethane formulations. Classified as a phosphite ester under HTS 2920.29.00.00.
Tris(nonylphenyl) Phosphite
Tris(nonylphenyl) phosphite (TNPP) is a high-temperature stabilizer for synthetic rubber compounds. Falls under HTS 2920.29.00.00 as an aromatic phosphite ester.
Dibutyl Phosphite
Dibutyl phosphite is a reactive intermediate for flame retardants and adhesives. Classified under HTS 2920.29.00.00 as a dialkyl phosphite ester.
Diisodecyl Pentaerythritol Diphosphite
Diisodecyl pentaerythritol diphosphite is a multi-functional phosphite antioxidant for polyolefins. Complex phosphite ester structure classified under HTS 2920.29.00.00.
Tris(2,4-di-tert-butylphenyl) Phosphite
Tris(2,4-di-tert-butylphenyl) phosphite (AO-168) is a hindered phosphite for polyethylene stabilization. Sterically protected phosphite ester under HTS 2920.29.00.00.
Bis(2,4-dicumylphenyl) Pentaerythritol Diphosphite
Bis(2,4-dicumylphenyl) pentaerythritol diphosphite (AO-626) provides hydrolysis resistance in nylon compounds. Dual phosphite functionality under HTS 2920.29.00.00.
Dioctadecyl Pentaerythritol Diphosphite
Dioctadecyl pentaerythritol diphosphite provides long-term thermal stability in high-density polyethylene. High molecular weight phosphite ester classified HTS 2920.29.00.00.
Poly(dipropylene glycol) Phenyl Phosphite
Poly(dipropylene glycol) phenyl phosphite offers low volatility stabilization for adhesives. Polymeric phosphite ester falls under HTS 2920.29.00.00 'other'.
Methyl Diethanolamine Phosphite
Methyl diethanolamine phosphite functions as a reactive flame retardant in rigid polyurethane foams. Amino-alcohol phosphite ester under HTS 2920.29.00.00.
Ethyl Diphenyl Phosphite
Ethyl diphenyl phosphite serves as a melt processing stabilizer for engineering plastics. This mixed phosphite ester is covered by HTS 2920.29.00.00.