U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2904.10.3000
$2.2M monthly imports
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Ruling Age
35 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-03 · Updates monthly
The tariff classification of p-toluene sulfonic acidmonohydrate from India.
NY 861294 MAR 22 1991 CLA-2-29:S:N:N1:239 861294 CATEGORY: Classification TARIFF NO.: 2904.10.3000 Mr. Phil Thomsen D&O Chemicals, Inc. 291 South Van Brunt ST. Englewood, NJ 07631 RE: The tariff classification of p-toluene sulfonic acid monohydrate from India. Dear Mr. Thomsen: In your letter dated March 4, 1991, you requested a tariff classification ruling. The applicable subheading for p-toluene sulfonic acid monohydrate (CAS# 6192-52-5) will be 2904.10.3000, Harmonized Tariff Schedule of the United States (HTS), which provides for other derivatives of hydrocarbons containing only sulfo groups. The rate of duty will be 3.7 cents per kilogram plus 15.9 percent ad valorem. This ruling is being issued under the provisions of Section 177 of the Customs Regulations (19 C.F.R. 177). A copy of this ruling letter should be attached to the entry documents filed at the time this merchandise is imported. If the documents have been filed without a copy, this ruling should be brought to the attention of the Customs officer handling the transaction. Sincerely, Jean F. Maguire Area Director New York Seaport