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

Butyl Methylphosphinate from Japan

Butyl methylphosphinate is a non-halogenated organo-phosphorus compound featuring a phosphorus atom bonded to a butyl group and a methyl group, classified under HTS 2931.49.0015 as specified. It serves as a key intermediate in synthesizing phosphorus-based flame retardants and agrochemicals.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Verify chemical purity via Certificate of Analysis (CoA) to confirm classification under 2931.49.0015; ensure SDS includes phosphinate structure details

Obtain EPA pre-manufacture notice if used in new chemical formulations