# United States tariff lines under HS 2835.10

> The United States tariff splits HS 2835.10 (phosphinates (hypophosphites) and phosphonates (phosphites)) into 1 national line: 2835.10.00.00 (phosphinates (hypophosphites) and phosphonates (phosphites)). The general (MFN) duty is 3.1% on this line.

Source: https://border.bot/countries/united-states/hs-codes/283510
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 28](https://border.bot/countries/united-states/hs-codes/28) / [2835.10](https://border.bot/countries/united-states/hs-codes/283510)

## Key facts

- HS subheading: [2835.10](https://border.bot/hs-codes/283510)
- Duty (MFN): 3.1%
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

## United States lines under 2835.10

The United States tariff splits HS 2835.10 (phosphinates (hypophosphites) and phosphonates (phosphites)) into 1 national line: 2835.10.00.00 (phosphinates (hypophosphites) and phosphonates (phosphites)).

The general (MFN) duty is 3.1% on this line.

- [2835.10.00.00](https://border.bot/countries/united-states/hs-codes/2835100000) Phosphinates (hypophosphites) and phosphonates (phosphites). Duty (MFN): 3.1%

## In other countries

No other national tariff on border.bot has live lines under 2835.10 yet.

- [The Harmonized System text for 2835.10](https://border.bot/hs-codes/283510)

- Previous subheading: [2834.29](https://border.bot/countries/united-states/hs-codes/283429) Other
- Next subheading: [2835.22](https://border.bot/countries/united-states/hs-codes/283522) Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2835.10?

The United States tariff splits HS 2835.10 (phosphinates (hypophosphites) and phosphonates (phosphites)) into 1 national line: 2835.10.00.00 (phosphinates (hypophosphites) and phosphonates (phosphites)).

### What is the duty on HS 2835.10 in the United States?

The general (MFN) duty is 3.1% 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/283510.json