Flame Retardant P-141
Flame Retardant P-141 is bis(1-methylpentyl) methylphosphonate used in polyurethane foams and textiles for fire safety, falling under HTS 2931.49.00.25 as a non-halogenated organo-phosphorus compound. Its P-C bonded structure qualifies it as an organo-inorganic derivative per chapter notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing heterocyclic oxygen/nitrogen rings in molecular structure
Chapter notes exclude cyclic structures from 2931, directing to heterocyclic compounds in 2932.
If for alcohol precursors used in synthesis rather than final phosphonate
Precursor alcohols classify under their oxygen-function headings before phosphorus incorporation.
If imported diluted with stabilizers exceeding chapter note (f) limits
Additives beyond preservation/transport purposes reclassify as chemical preparations.
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Import Tips & Compliance
• Include flash point and autoignition data in SDS; high-temperature stability distinguishes from generic phosphates
• For textile applications, provide fiber treatment protocols to demonstrate chemical identity preservation
• Monitor EPA flame retardant regulations; non-compliance can trigger import alerts beyond tariff issues
Related Products under HTS 2931.49.00.25
Bis(1-methylpentyl) Methylphosphonate
Bis(1-methylpentyl) methylphosphonate is a non-halogenated organo-phosphorus compound featuring phosphorus directly linked to carbon atoms, classified under HTS 2931.49.00.25 as a specific organo-inorganic derivative. It serves as a chemical intermediate in synthesis and has applications in flame retardants and plasticizers.
Santicizer 141 Plasticizer
Santicizer 141, chemically bis(1-methylpentyl) methylphosphonate, functions as a phosphate ester plasticizer for PVC and other polymers, classified under HTS 2931.49.00.25 due to its organo-phosphorus structure with P-C bonds. It provides flexibility and flame retardancy in flexible films and coatings.
Phosphonate Plastic Additive 141
Phosphonate Plastic Additive 141, identified as bis(1-methylpentyl) methylphosphonate, enhances PVC plastisol flexibility and acts as a secondary plasticizer, classified precisely under HTS 2931.49.00.25. The direct phosphorus-carbon linkage defines its organo-inorganic status.