</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
3912.31.00.90/High-Purity CMC for Cosmetics/Mexico

High-Purity CMC for Cosmetics from Mexico

High-purity carboxymethylcellulose sodium for cosmetic creams and lotions as a rheology modifier. HTS 3912.31.00.90 covers this as other CMC salts in primary form, with >95% polymer content. Used in personal care formulations.

Duty Rate — Mexico → United States

16.4%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Calculate with your customs valueVerify classification with AI

Import Tips

• Cosmetic ingredient safety assessments (e.g

• CIR) support classification docs

• Package in non-retail bulk to evade 3924 household articles exclusion

• Microbial testing prevents FDA holds at entry

High-Purity CMC for Cosmetics from Mexico — Import Duty Rate | HTS 3912.31.00.90