Ethyl Cyanoacetate from Mexico
Ethyl cyanoacetate (NC-CH2-COOC2H5) is a versatile nitrile ester used in malonic ester synthesis and pharmaceutical intermediates. Classified in HTS 2926.90.5050 following Chapter 29 note on esters, prioritizing the nitrile function over carboxylic acid derivative. Key reagent in organic multi-component reactions.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Per Chapter 29 ester note (A), confirm nitrile takes precedence via structural analysis
• Refractive index testing verifies purity; <98% may trigger 2918 ester heading review
• Biocidal properties require EPA pre-notice if dual-use declared