# United States tariff lines under HS 2931.47

> The United States tariff splits HS 2931.47 (non-halogenated organo-phosphorous derivatives: (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate) into 1 national line: 2931.47.00.00 ((5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate). The general (MFN) duty is 3.7% on this line.

Source: https://border.bot/countries/united-states/hs-codes/293147
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 29](https://border.bot/countries/united-states/hs-codes/29) / [2931.47](https://border.bot/countries/united-states/hs-codes/293147)

## Key facts

- HS subheading: [2931.47](https://border.bot/hs-codes/293147)
- Duty (MFN): 3.7%
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 29: Organic chemicals

## United States lines under 2931.47

The United States tariff splits HS 2931.47 (non-halogenated organo-phosphorous derivatives: (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate) into 1 national line: 2931.47.00.00 ((5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate).

The general (MFN) duty is 3.7% on this line.

- [2931.47.00.00](https://border.bot/countries/united-states/hs-codes/2931470000) Non-halogenated organo-phosphorous derivatives, (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate. Duty (MFN): 3.7%

## In other countries

No other national tariff on border.bot has live lines under 2931.47 yet.

- [The Harmonized System text for 2931.47](https://border.bot/hs-codes/293147)

- Previous subheading: [2931.46](https://border.bot/countries/united-states/hs-codes/293146) Other organo-inorganic compounds
- Next subheading: [2931.48](https://border.bot/countries/united-states/hs-codes/293148) Other organo-inorganic compounds

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2931.47?

The United States tariff splits HS 2931.47 (non-halogenated organo-phosphorous derivatives: (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate) into 1 national line: 2931.47.00.00 ((5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate).

### What is the duty on HS 2931.47 in the United States?

The general (MFN) duty is 3.7% on this line.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/293147.json