3815.90.30.00—Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included, other
General
Free
Units
kg
Column 2
25%
Special
—
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Plain-English explanation
HTS 3815.90.30.00 is the U.S. Harmonized Tariff Schedule classification for Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included, other. It's a 10-digit statistical line in Chapter 38: Miscellaneous chemical products, Section VI: Products of the Chemical or Allied Industries, used by U.S. Customs and Border Protection to determine the duty rate at entry. No Chapter 99 tariff modifications (Section 301, Section 232, IEEPA) or AD/CVD orders currently flag this code in Tandom's catalog.
New to HTS codes? Read our guide on how HTS classification works →
Recent CBP rulings(5)
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
The tariff classification of “NC-25” from Japan Correction to Ruling Number N281144
The tariff classification of a Catalytic Preparation from Japan
The tariff classification of a Catalytic Preparation from Japan
The tariff classification of a Catalyst (Product # SPC-414-20) from Japan
The tariff classification of catalytic preparations from China
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
Frequently asked questions
What is HTS code 3815.90.30.00?
HTS 3815.90.30.00 is the U.S. Harmonized Tariff Schedule classification for Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included, other. It belongs to Chapter 38 of the HTSUS.
What is the general duty rate for HTS 3815.90.30.00?
The general (Column 1) duty rate for HTS 3815.90.30.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
What is the Column 2 (statutory) rate for HTS 3815.90.30.00?
The Column 2 rate for HTS 3815.90.30.00 is 25%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Are there Section 301 or Section 232 tariffs on HTS 3815.90.30.00?
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 3815.90.30.00 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
Does HTS 3815.90.30.00 have any antidumping or countervailing duty (AD/CVD) orders?
No active AD/CVD orders currently flag HTS 3815.90.30.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
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