U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
3912.31.0000
$10.6M monthly imports
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Ruling Age
30 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-05 · Updates monthly
The tariff classification of Carboxymethylcellulose Sodium(CAS Reg. Name: Carboxymethyl ether cellulose sodium salt; CAS-9004-32-4), in powder form, from Japan
NY 814025 August 28, 1995 CLA-2-39:S:N:N7:238 814025 CATEGORY: Classification TARIFF NO.: 3912.31.0000 Mr. Joseph J. Chivini Austin Chemical Company, Inc. 1565 Barclay Boulevard Buffalo Grove, IL 60089-4537 RE: The tariff classification of Carboxymethylcellulose Sodium (CAS Reg. Name: Carboxymethyl ether cellulose sodium salt; CAS- 9004-32-4), in powder form, from Japan Dear Mr. Chivini: In your letter dated August 18, 1995, you requested a tariff classification ruling. The subject product, Carboxymethylcellulose Sodium, is the sodium salt of a polycarboxymethyl ether of cellulose. The applicable subheading for the subject product will be 3912.31.0000, Harmonized Tariff Schedule of the United States (HTS), which provides for: "Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms: Cellulose ethers: Carboxymethylcellulose and its salts." The rate of duty will be 6.4 percent ad valorem. This merchandise may be subject to the regulations of the Environmental Protection Agency, Office of Pesticides and Toxic Substances. 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 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