U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2922.21.1000
$0.0M monthly imports
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Ruling Age
34 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-28 · Updates monthly
The tariff classification of H Acid (CAS # 90-20-0) fromChina
NY 866339 August 30, 1991 CLA-2-29:S:N:N1:240 866339 CATEGORY: Classification TARIFF NO.: 2922.21.1000 Ms. Lily Lee Cometals, Inc. One Penn Plaza New York, NY 10119 RE: The tariff classification of H Acid (CAS # 90-20-0) from China Dear Ms. Lee: In your letter dated July 8, 1991, you requested a tariff classification ruling. The applicable HTS subheading for H Acid (CAS # 90-20-0) also known as 1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid will be 2922.21.1000, Harmonized Tariff Schedule of the United States (HTS), which provides for oxygen-function amino-compounds: amino-naphthols and other amino-phenols, their ethers and esters, other than those containing more than one kind of oxygen function; salts thereof: aminohydroxynaphthalenesulfonic acids and their salts: 1-amino-8-hydroxy-3,6-naphthalenedisulfonic acid. The duty rate will be 5.8 percent ad valorem. This product is temporarily free of duty under 9902.29.33, HTS. 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 already been filed, this ruling should be brought to the attention of the Customs officer handling the transaction. Sincerely, Jean F. Maguire Area Director New York Seaport