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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If polyolefin processing additive blend
Polymer additive mixtures classified as chemical preparations.
If cyclic phosphite oligomers
Cyclic ethers/polymers of phosphorus classified under 2932.
If pentaerythritol ester classification
Polyol esters may classify under acyclic carboxylic esters.
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Import Tips & Compliance
• Provide molecular structure diagram showing dual P-OR functionality
• High melting point requires drum heating specifications
• Confirm no P=O bonds via 31P-NMR to avoid phosphate classification
Related Products 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.