Diethyl L-Tartrate from Japan
Diethyl L-tartrate is the ethyl ester of L-tartaric acid. Under Chapter 29 Note 5(B), esters of ethyl alcohol with acid-function organic compounds are classified in the same heading as the corresponding acid, so this product falls under tariff item 2918.12.00 as tartaric acid. It is used as a chiral auxiliary in organic synthesis.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the product is declared as an ester of tartaric acid, not as a separate chemical, to align with Chapter 29 Note 5(B)
• Provide a Certificate of Analysis to confirm purity and identity for CBSA review
• Verify if any end-use restrictions apply for chiral auxiliaries in pharmaceutical synthesis