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3912.31.00.90/CMC Sodium Salt for Detergents/Mexico

CMC Sodium Salt for Detergents from Mexico

Carboxymethylcellulose sodium salt prevents soil redeposition in laundry detergents. Classified HTS 3912.31.00.90 as other CMC salts in primary granular form for industrial use. Meets chapter notes for pure cellulose ether polymers.

Duty Rate — Mexico → United States

16.4%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Biodegradability certs help with environmental compliance declarations

• Distinguish from finished detergent (3402) by importing as bulk primary polymer only

• Ensure no plasticizers added, per 3920.43 note, to avoid heading shift

CMC Sodium Salt for Detergents from Mexico — Import Duty Rate | HTS 3912.31.00.90