U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
3824.90.3900
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Federal Register
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Ruling Age
12 years
Data compiled from CBP CROSS Rulings, Federal Register · As of 2026-04-26 · Updates real-time
The tariff classification of various inorganic chemicals from China
N243803 July 10, 2013 CLA-2-38:OT:RR:NC:N2:239 CATEGORY: Classification TARIFF NO.: 3824.90.3900 John Cornell Vice President Americhem International, Inc. P.O. Box 1473 Temecula, CA 92593 RE: The tariff classification of various inorganic chemicals from China Dear Mr. Cornell: In your letter dated June 21, 2013, you requested a tariff classification ruling. Product numbers 474, 484, 489, 515, and 517 are mixtures of inorganic compounds. They will be used to treat water for corrosion and scale control. The applicable subheading for product numbers 474, 484, 489, 515, and 517 will be 3824.90.3900, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included: Other: Other: Mixtures of two or more inorganic compounds: Other. The rate of duty will be free. Duty rates are provided for your convenience and are subject to change. The text of the most recent HTSUS and the accompanying duty rates are provided on World Wide Web at http://www.usitc.gov/tata/hts/. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist Laureen Tsang at (646) 733-3032. Sincerely, Thomas J. Russo Director National Commodity Specialist Division