Dihydroxyacetone Dimer (DHA Dimer) from United States
DHA dimer is the cyclic trimer form of 1,3-dihydroxyacetone, a stable ketone-alcohol used in self-tanning formulations to prevent oxidation during storage. It is classified under tariff item 2914.40.00 as it retains the core ketone-alcohol structure.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is a separate chemically defined compound, not a mixture
• Provide the chemical structure and purity to the CBSA
• Check if the product requires a Cosmetic Notification if intended for cosmetic use