Ms. Mei C. Li
Marubeni America Corporation
375 Lexington Ave., 6th Floor
New York, NY 10017

RE: The tariff classification of 4-Benzyloxyphenyl-4’-hydroxyphenyl sulfone (CAS 63134-33-8) from China

Dear Ms. Li:

In your letter dated February 8, 2010, on behalf of your client Marubeni Specialty Chemical Inc., you requested a tariff classification ruling for 4-Benzyloxyphenyl-4’-hydroxyphenyl sulfone which you have stated will be used as a developer for heat sensitive paper.

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. The rate of duty will be 6.5 percent ad valorem.

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

This merchandise may also be subject to the Toxic Substances Control Act (TSCA), which is regulated by the U.S. Environmental Protection Agency (EPA). The TSCA Assistance Information Service (TSCA Hotline) provides both general and technical information on TSCA regulations. Services are provided to industry, labor and trade organizations, environmental groups, and the general public. The TSCA Assistance Information Service can be reached by phone at (202) 554-1404, or by accessing the following website:

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.


Robert B. Swierupski
National Commodity Specialist Division