U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2923.90.0000
$7.0M monthly imports
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Court Cases
2 cases
CIT & Federal Circuit
Ruling Age
29 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data, CourtListener (CIT/CAFC) · As of 2026-05-02 · Updates monthly
The tariff classification of Tetrabutyl ammonium hydroxide (CAS # 2052-49-5) from Japan
NY A88188 October 18, 1996 CLA-2-29:RR:NC:2:240 A88188 CATEGORY: Classification TARIFF NO.: 2923.90.0000 Mr. Joseph J. Chivini Austin Chemical Company, Inc. 1565 Barclay Boulevard Buffalo Grove, Illinois 60089-4537 RE: The tariff classification of Tetrabutyl ammonium hydroxide (CAS # 2052-49-5) from Japan Dear Mr. Chivini: In your letter dated September 24, 1996, you requested a tariff classification ruling. The applicable subheading for Tetrabutyl ammonium hydroxide will be 2923.90.0000, Harmonized Tariff Schedule of the United States (HTS), which provides for quaternary ammonium salts and hydroxiodes; lecithins and other phosphoaminolipids: other. The rate of duty will be 6.2 percent ad valorem. 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 Stephanie Joseph at 212-466-5768. Sincerely, Roger J. Silvestri Director, National Commodity Specialist Division