Camphor Sulfonic Acid from China
Camphor sulfonic acid is a chiral resolving agent derived from sulfonation of camphor, a bicyclic monoterpene. It is a chemically defined compound with a sulfo group, containing only sulfo groups as functional derivatives. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the product is a pure, chemically defined compound; if it is a racemic mixture, it may still qualify under Chapter 29 note 1(b)
• Verify the product is not put up for retail sale as a pharmaceutical preparation
• Provide the CAS number and optical rotation data to the CBSA