# United States tariff lines under HS 8506.30

> The United States tariff splits HS 8506.30 (mercuric oxide) into 2 national lines: 8506.30.10.00 (having an external volume not exceeding 300 cm3) and 8506.30.50.00 (other). The general (MFN) duty is 2.7% on all 2 lines.

Source: https://border.bot/countries/united-states/hs-codes/850630
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 85](https://border.bot/countries/united-states/hs-codes/85) / [8506.30](https://border.bot/countries/united-states/hs-codes/850630)

## Key facts

- HS subheading: [8506.30](https://border.bot/hs-codes/850630)
- Duty (MFN): 2.7%
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles

## United States lines under 8506.30

The United States tariff splits HS 8506.30 (mercuric oxide) into 2 national lines: 8506.30.10.00 (having an external volume not exceeding 300 cm3) and 8506.30.50.00 (other).

The general (MFN) duty is 2.7% on all 2 lines.

- [8506.30.10.00](https://border.bot/countries/united-states/hs-codes/8506301000) Mercuric oxide, Having an external volume not exceeding 300 cm3. Duty (MFN): 2.7%
- [8506.30.50.00](https://border.bot/countries/united-states/hs-codes/8506305000) Mercuric oxide, Other. Duty (MFN): 2.7%

## In other countries

No other national tariff on border.bot has live lines under 8506.30 yet.

- [The Harmonized System text for 8506.30](https://border.bot/hs-codes/850630)

- Previous subheading: [8506.10](https://border.bot/countries/united-states/hs-codes/850610) Primary cells and primary batteries; parts thereof
- Next subheading: [8506.40](https://border.bot/countries/united-states/hs-codes/850640) Silver oxide

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8506.30?

The United States tariff splits HS 8506.30 (mercuric oxide) into 2 national lines: 8506.30.10.00 (having an external volume not exceeding 300 cm3) and 8506.30.50.00 (other).

### What is the duty on HS 8506.30 in the United States?

The general (MFN) duty is 2.7% on all 2 lines.

## 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/850630.json