Sodium Carboxymethyl Cellulose Powder from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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