</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide

This is a specific non-halogenated organo-phosphorus compound featuring a trioxatriphosphinane ring structure with propyl groups attached to phosphorus atoms. It falls under HTS 2931.46.00.00 as a distinct organo-inorganic compound in the category of non-halogenated organo-phosphorus derivatives. Primarily used as a chemical intermediate in organic synthesis and flame retardant production.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+35.0%38.7%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2931.90.30.00Higher: 41.5% vs 38.7%

If containing other nonmetal or metal atoms beyond phosphorus structure

Classified as other organo-inorganic compounds if the molecule includes additional heteroatoms like sulfur or arsenic directly linked to carbon, per Chapter 29 notes.

2930.90Lower: 13.7% vs 38.7%

If classified primarily as organo-sulfur rather than organo-phosphorus

Organo-sulfur compounds take precedence if sulfur atoms directly linked to carbon dominate the chemical character, though this compound's primary phosphorus nature makes 2931 correct.

3824.99Lower: 15% vs 38.7%

If imported as mixture or solution with solvents/additives for specific industrial use

Mixtures of organic compounds not chemically defined or put up for retail fall under Chapter 38; pure compounds stay in Chapter 29 per chapter notes.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Verify chemical purity and provide Certificate of Analysis (CoA) to confirm identity as the specific trioxatriphosphinane compound for proper HTS classification

Include Safety Data Sheet (SDS) detailing non-halogenated nature and phosphorus content to avoid misclassification under halogenated derivatives

Ensure proper Hazard Class labeling (likely UN 3261 or similar) and comply with TSCA registration for chemical imports into the US