Sodium Carboxymethyl Cellulose Powder from China
Sodium carboxymethyl cellulose (CMC) is a cellulose derivative used as a thickener in food, pharmaceuticals, and detergents. It falls under HTS 3913.90.20.90 as a polysaccharide derivative in primary form (powder), not elsewhere specified. This classification applies to its unmodified primary state before further processing.
Duty Rate — China → United States
30.8%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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 purity and derivative status via certificate of analysis to confirm polysaccharide base and avoid reclassification to synthetic polymers
• Ensure documentation specifies 'primary form' (e.g
• powder <95% processed) to prevent shifts to finished goods headings