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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing arsenic or other nonmetals/metals directly linked to carbon
Organo-inorganic compounds with additional heteroatoms beyond phosphorus fall under other subheadings in 2931.
If classified primarily as organo-sulfur rather than organo-phosphorus
Chapter notes prioritize organo-sulfur compounds (2930) over organo-inorganic if sulfur-carbon linkage predominates.
If imported as a formulated mixture or solution exceeding chapter note limitations
Mixtures not qualifying under chapter 29 notes (e.g., with solvents rendering specific use) shift to chapter 38 miscellaneous chemicals.
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Import Tips & Compliance
• Verify chemical purity and provide Certificate of Analysis (CoA) to confirm identity as bis(1-methylpentyl) methylphosphonate per HTS specifications
• Include Safety Data Sheet (SDS) detailing non-halogenated nature and phosphorus-carbon bonding to avoid misclassification
• Check REACH or TSCA compliance for phosphorus compounds; improper documentation can lead to CBP holds
Related Products under HTS 2931.49.00.25
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.
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.
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.