Phosphonate Flame Retardant Intermediate 2931.47 from Japan
A purified batch of (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate used as a key intermediate in synthesizing phosphorus-based flame retardants for textiles. Classified under HTS 2931.47.00.00 due to its non-halogenated organo-phosphorus structure with direct C-P bonds.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include Safety Data Sheet (SDS) and purity certificate (>98%) to substantiate chemical identity for CBP review
• Avoid anti-dusting agents that could trigger reclassification under general chemical mixtures if exceeding Chapter 29 note (g) limits
• Confirm bulk industrial packaging to distinguish from diluted retail preparations excluded by Chapter notes