</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Diethyl Tartrate from Mexico

Diethyl tartrate is an ester of tartaric acid used as a chiral building block in organic synthesis and fragrances. It is classified under HTS 2918.13.5000 as an 'other' ester of tartaric acid per Chapter 29 note 3(A) for ester classification. The alcohol function without additional oxygen defines its placement.

Duty Rate — Mexico → United States

14.4%

Rate breakdown

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

Import Tips

Confirm ester purity via GC-MS analysis; declare exact optical isomer (L/D/meso) for statistical reporting; hazardous material shipping docs required for flammables

Diethyl Tartrate from Mexico — Import Duty Rate | HTS 2918.13.50.00