U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
3909.40.0000
$8.5M monthly imports
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Ruling Age
27 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-29 · Updates monthly
The tariff classification of "Tyloxapol" (CAS-25301-02-4) from Belgium.
NY D89742 April 5, 1999 CLA-2-39:RR:NC:2:237 D89742 CATEGORY: Classification TARIFF NO.: 3909.40.0000 Mr. Edmundo Rodriguez Nestor Reyes, Inc. P.O. Box 9023474 San Juan, PR 00902-3474 RE: The tariff classification of “Tyloxapol” (CAS-25301-02-4) from Belgium. Dear Mr. Rodriguez: In your letter dated March 4, 1999, on behalf of Schering Plough Products, Inc., you requested a tariff classification ruling. The product, designated as “Tyloxapol”, is an oxyethylated tertiary octyl-phenol-formaldehyde polymer in primary form. The applicable subheading for the “Tyloxapol” will be 3909.40.0000, Harmonized Tariff Schedule of the United States (HTS), which provides for amino-resins, phenolic resins and polyurethanes, in primary forms: phenolic resins. The rate of duty will be 6.5 percent ad valorem. This merchandise may be subject to the requirements of the Toxic Substances Control Act (TSCA), which is administered by the Environmental Protection Agency. You may contact them at 402 M Street, S.W., Washington, D.C. 20460, Telephone number (202) 554-1404, or EPA region II at (908) 321-6669. 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 Frank Cantone at 212-637-7018. Sincerely, Robert B. Swierupski Director, National Commodity Specialist Division