U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2930.90.2900
$63.7M monthly imports
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Ruling Age
16 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-04 · Updates monthly
The tariff classification of Dapsone (CAS 80-08-0) from Italy
N082437 November 6, 2009 CLA-2-29:OT:RR:E:NC:2:239 CATEGORY: Classification TARIFF NO.: 2930.90.2900 Ms. Iliana G. Fuller Allergan Sales, LLC 2525 Dupont Drive Irvine, CA 92612 RE: The tariff classification of Dapsone (CAS 80-08-0) from Italy Dear Ms. Fuller: In your letter dated October 29, 2009, you requested a tariff classification ruling for Dapsone (Chemical Name - 4,4'-Diaminodiphenyl sulfone) which you have stated will be used as a chemical intermediate in the formulation of Aczone® Gel. The applicable subheading will be 2930.90.2900, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Organo-sulfur compounds: Other: Aromatic: Other: Other. Pursuant to General Note 13 to the Harmonized Tariff Schedule this product is free of duty. 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 Richard Dunkel at 646-733-3032. Sincerely, Robert B. Swierupski Director National Commodity Specialist Division