U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2904.10.3700
$2.2M monthly imports
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Ruling Age
31 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-01 · Updates monthly
The tariff classification of 2-Naphthalene Sulfonic Acid Sodium Salt (CAS No. 532-02-5) from Japan.
NY 807739 March 13, 1995 CLA-2-29:S:N:N7:239 807739 CATEGORY: Classification TARIFF NO.: 2904.10.3700 Mr. Edmund J. Corboy Austin Chemical Company, Inc. 1565 Barclay Boulevard Buffalo Grove, Illinois 60089 RE: The tariff classification of 2-Naphthalene Sulfonic Acid Sodium Salt (CAS No. 532-02-5) from Japan. Dear Mr. Corboy: In your letter dated March 2, 1995, you requested a tariff classification ruling for 2-naphthalene sulfonic acid sodium salt which you have stated is a chemical intermediate. The applicable subheading will be 2904.10.3700, Harmonized Tariff Schedule of the United States (HTS), which provides for sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated: derivatives containing only sulfo groups, their salts and ethyl esters: other. The rate of duty will be 3.3 cents per kilogram plus 14.9 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