Sodium Carboxymethyl Cellulose Powder from China
Sodium carboxymethyl cellulose (CMC) is a chemically modified derivative of cellulose, a natural polymer, supplied in primary powder form for use in food, pharmaceuticals, and industrial applications as a thickener and stabilizer. It falls under HTS 3913.90.5000 as a modified natural polymer not elsewhere specified in primary forms.
Duty Rate — China → United States
31.5%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify chemical modification details and purity certificates to confirm classification as modified natural polymer; ensure compliance with FDA regulations if for food/pharma use; avoid misclassification as synthetic under Chapter 39 by providing monomer analysis