2-n-Octyl-4-isothiazolin-3-one (OIT) from Mexico
2-n-Octyl-4-isothiazolin-3-one (OIT) is an isothiazolinone biocide with an n-octyl substituent, used as an antimicrobial agent in paints, coatings, and wood preservatives. Its unfused thiazole ring qualifies it for classification under tariff item 2934.10.00. This chemically defined compound is imported in bulk for industrial formulation.
Duty Rate — Mexico → Canada
Import Tips
• Confirm that the product meets the Pest Control Products Act requirements if it is used as a pesticide or biocide in Canada, as this may require registration with the Pest Management Regulatory Agency
• Provide a safety data sheet (SDS) with the shipment, as the compound is classified as a hazardous substance
• Ensure the product's concentration is clearly stated on the commercial invoice to facilitate CBSA classification