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850630Chapter 85

HS code 850630: Mercuric Oxide

Covers:
Primary cells and primary batteries: Mercuric oxide.
Listed US duty:
2.7% (US general rate, HTS 2026)

Official description

Primary cells and primary batteries : Mercuric oxide

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Suggestions from the HS index, not a customs ruling

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What 850630 covers and what it doesn’t

Official text: Primary cells and primary batteries › Mercuric oxide.

Nearby codes to check

  • Heading 8506 Primary cells and primary batteries: every subheading side by side.
  • 850610 Manganese dioxide
  • 850640 Silver oxide
  • 850650 Lithium
  • 850660 Air-zinc
  • 850680 Other primary cells and primary batteries
  • 850690 Parts

US duty rate

2.7%

General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.

Common questions

What is HS code 850630?
Primary cells and primary batteries : Mercuric oxide
What duty rates apply to 850630?
Listed duty rates range from 2.7% across 1 country rate.

Browse all of 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 →

Go beyond the code

Find the companies shipping under 850630 in the company directory, or classify and check duty with the CLI.

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