3912.31.00.10/Sodium Carboxymethylcellulose Powder (90%+ CMC)/Mexico

Sodium Carboxymethylcellulose Powder (90%+ CMC) from Mexico

High-purity sodium carboxymethylcellulose (CMC) powder with at least 90% CMC content by weight, used as a thickener in food and pharmaceuticals. This primary form polymer falls under HTS 3912.31.00.10 due to its high carboxymethylcellulose concentration as per chapter notes on polymer classification. It is supplied in bulk for industrial formulation.

Duty Rate — Mexico → United States

6.4%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Provide lab analysis certificates verifying ≥90% CMC content by weight to meet subheading requirements; declare intended end-use (food vs industrial) to avoid reclassification

• Watch for contamination risks in documentation for pharma imports

Sodium Carboxymethylcellulose Powder (90%+ CMC) from Mexico — Import Duty Rate | HTS 3912.31.00.10