HS Code 3815.90.2000

Of Mercury or of Molybdenum — US Import Duty

Official Description

Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included: > Other: > Consisting wholly of inorganic substances: > Of mercury or of molybdenum

Hierarchy: Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included > Other > Consisting wholly of inorganic substances > Of mercury or of molybdenum

US Duty Rates (2026 HTS)

General Rate (MFN)2.8%

Unit of MeasureKG

Special Trade Program Rates

FreeA, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG — see HTS General Notes for eligible countries

Possible Additional Duties

Section 301 Brazil TariffThe duty provided in the applicable subheading + 25% (origin: BR)
Section 301 "Forced Labor" AlgeriaThe duty provided in the applicable subheading + 12.5% (origin: DZ)
Section 301 "Forced Labor" AngolaThe duty provided in the applicable subheading + 12.5% (origin: AO)
Section 301 "Forced Labor" ArgentinaThe duty provided in the applicable subheading + 10% (origin: AR)
Section 301 "Forced Labor" AustraliaThe duty provided in the applicable subheading + 12.5% (origin: AU)
Section 301 "Forced Labor" BahamasThe duty provided in the applicable subheading + 12.5% (origin: BS)

Applicability depends on country of origin and date of entry. Run the calculator for the full duty stack.

Classification

Chapter: Chapter 38 — Miscellaneous Chemical Products
Heading: 3815 — Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included

Related Codes in this Heading

3815.11.0000

With nickel or nickel compounds as the active substance

3815.12.0010

With platinum group metals as the active substance

3815.12.0090

With precious metal or precious metal compounds as the active substance

3815.19.0000

Supported catalysts

3815.90.1000

Of bismuth, of tungsten or of vanadium

Common Questions

What is the US import duty for HS Code 3815.90.2000?

The general (MFN) duty rate for HS Code 3815.90.2000 (Of mercury or of molybdenum) is 2.8%. Preferential rates apply under 1 special trade program for eligible countries of origin. Use the calculator for an exact landed-cost estimate.

Are there additional tariffs on HS Code 3815.90.2000?

Yes — Chapter 99 measures may apply, including Section 301 Brazil Tariff, Section 301 "Forced Labor" Algeria, Section 301 "Forced Labor" Angola, among others. Applicability depends on the country of origin and entry date.

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