# United States tariff lines under HS 2912.50

> The United States tariff splits HS 2912.50 (cyclic polymers of aldehydes) into 2 national lines: 2912.50.10.00 (metaldehyde) and 2912.50.50.00 (other). The general (MFN) duty differs by line: free on 2912.50.10.00 and 5.5% on 2912.50.50.00.

Source: https://border.bot/countries/united-states/hs-codes/291250
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) / [2912.50](https://border.bot/countries/united-states/hs-codes/291250)

## Key facts

- HS subheading: [2912.50](https://border.bot/hs-codes/291250)
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 29: Organic chemicals

## United States lines under 2912.50

The United States tariff splits HS 2912.50 (cyclic polymers of aldehydes) into 2 national lines: 2912.50.10.00 (metaldehyde) and 2912.50.50.00 (other).

The general (MFN) duty differs by line: free on 2912.50.10.00 and 5.5% on 2912.50.50.00.

- [2912.50.10.00](https://border.bot/countries/united-states/hs-codes/2912501000) Cyclic polymers of aldehydes, Metaldehyde. Duty (MFN): free
- [2912.50.50.00](https://border.bot/countries/united-states/hs-codes/2912505000) Cyclic polymers of aldehydes, Other. Duty (MFN): 5.5%

## In other countries

No other national tariff on border.bot has live lines under 2912.50 yet.

- [The Harmonized System text for 2912.50](https://border.bot/hs-codes/291250)

- Previous subheading: [2912.49](https://border.bot/countries/united-states/hs-codes/291249) Other
- Next subheading: [2912.60](https://border.bot/countries/united-states/hs-codes/291260) Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2912.50?

The United States tariff splits HS 2912.50 (cyclic polymers of aldehydes) into 2 national lines: 2912.50.10.00 (metaldehyde) and 2912.50.50.00 (other).

### What is the duty on HS 2912.50 in the United States?

The general (MFN) duty differs by line: free on 2912.50.10.00 and 5.5% on 2912.50.50.00.

## 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/291250.json