Analytical Reference Standard Tefluthrin (99.5%) from United States
Tefluthrin is a synthetic pyrethroid ester derived from cyclopropanecarboxylic acid, which is a cyclanic monocarboxylic acid. This ultra-high purity analytical reference standard (99.5%) is a separate chemically defined organic compound, qualifying under tariff item 2916.20.00 as a cyclanic monocarboxylic acid derivative.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is certified as a pure analytical standard with a certificate of analysis to support classification as a chemically defined compound
• Declare the exact CAS number and purity to CBSA to avoid reclassification
• Keep records of the intended use for laboratory analysis, as this may affect duty treatment