8506.30—Mercuric oxide
General duty rate
2.7%
Across 2 10-digit lines
Coverage on this page
Up one level: 8506 — Primary cells and primary batteries; parts thereof: (heading)
Plain-English explanation
HTS 8506.30 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Mercuric oxide. It sits in 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, Section XVI: Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such Articles and rolls up 2 10-digit statistical lines, all with a general duty rate of 2.7%. No Chapter 99 tariff modifications or AD/CVD orders currently flag any line under this subheading in Tandom's catalog.
10-digit lines under 8506.30(2)
Pick a line to view full rate detail and compute landed duty
Frequently asked questions
What does HTS 8506.30 cover?
HTS 8506.30 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Mercuric oxide. It belongs to Chapter 85 and rolls up 2 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 8506.30?
Every 10-digit line under HTS 8506.30 carries a general (Column 1) duty rate of 2.7%. Section 301, Section 232, and AD/CVD overlays may stack on top of this rate at the per-line level — open a specific 10-digit code to see its complete tariff stack.
How do I find the right 10-digit line under HTS 8506.30?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 8506.30 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 8506.30?
Learn more
Tandom guides relevant to this code
Trade compliance APIs in broker workflows
Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
Open resource
Bulk-classify SKU descriptions with the Tandom HTS Classifier API
Run thousands of product descriptions through HTS classification, score the confidence, and triage borderline rows. Public search endpoint plus the closed-beta three-layer Classifier.
Open resource