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
28 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 Tetraethyl ammonium tetrafluoroborate (CAS # 429-06-1) from Japan
NY B89230 October 24, 1997 CLA-2-29:RR:NC:2:240 B89230 CATEGORY: Classification TARIFF NO.:2923.90.0000 Mr. Stephen C. Pred Pred Materials International, Inc. 60 East 42 Street, Suite 1456 New York, N.Y. 10165 RE: The tariff classification of Tetraethyl ammonium tetrafluoroborate (CAS # 429-06-1) from Japan Dear Mr. Pred: In your letter dated August 26, 1997, you requested a tariff classification ruling. The applicable subheading for Tetraethyl ammonium tetrafluoroborate, also known as Ethanaminium, N,N,N,-triethyl-tetrafluoroborate, will be 2923.90.0000, Harmonized Tariff Schedule of the United States (HTS), which provides for quaternary ammonium salts and hydroxides; 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, Robert B. Swierupski Director, National Commodity Specialist Division