Cetyltrimethylammonium Bromide (CTAB) from United States
Cetyltrimethylammonium Bromide (CTAB) is a quaternary ammonium cationic surfactant used in laboratory applications such as DNA extraction and as an antimicrobial agent. It qualifies under heading 3402 as it produces stable emulsions and reduces surface tension, and is classified under 3402.41.00.
Duty Rate — United States → Canada
6.5%
Import Tips
• Provide the CAS number and intended use to the CBSA
• If used solely for laboratory analysis, consider if it qualifies for duty relief under other provisions