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The tariff classification of 4,4'-Diaminodiphenyl Sulfone (CAS 80-08-0) from India
Issued October 28, 2011 by U.S. Customs and Border Protection.
Cite this ruling
Copies to clipboardN1 N189387 (October 28, 2011)
Tariff classification
HTS codes: 2930.90.2900
Headings: 2930
Product description
The subject product, 4,4'-Diaminodiphenyl sulfone, is an aromatic organo-sulfur compound used as a hardener in epoxy resin systems and further utilized in the manufacture of components in electronics, aerospace, and coatings industries.
CBP rationale
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.
Full text
N189387 October 28, 2011 CLA-2-29:OT:RR:NC:2:239 CATEGORY: Classification TARIFF NO.: 2930.90.2900 Ms. Protima S. Wagh 4DDS Inc. 1108 Lavaca St., Suite 110-437 Austin, TX 78701 RE: The tariff classification of 4,4'-Diaminodiphenyl Sulfone (CAS 80-08-0) from India Dear Ms. Wagh: In your letter dated October 19, 2011, you requested a tariff classification ruling. The subject product, 4,4'-Diaminodiphenyl sulfone, is an aromatic organo-sulfur compound used as a hardener in epoxy resin systems and further utilized in the manufacture of components in electronics, aerospace, and coatings industries. 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 * at (646) 733-*. Sincerely, Robert B. Swierupski Director National Commodity Specialist Division
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The tariff classification of 3,3’ Dithiobishydrocinnamic Acid, CAS No. 63684-32-2, from China
The tariff classification of Dapsone (CAS 80-08-0), in bulk powder form, from Italy
The tariff classification of Optiblanc SX, CAS No. 27344-41-8, from China
The tariff classification of 4,4’-Sulfonylidibenzoic acid, CAS No. 2449-35-6, from India
The tariff classification of several active pharmaceutical ingredients (API), from various countries
The tariff classification of 4-Hydroxy-4’-isopropoxydiphenylsulfone, CAS No. 95235-30-6 and 4,4’-Dihydroxydiphenyl sulphone, CAS No. 80-09-1 from China
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