Sulfuric Acid Oleum from Mexico
Oleum, or fuming sulfuric acid (H2SO4 + SO3), is a highly corrosive liquid used in sulfonation processes. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a solution of sulfur trioxide in sulfuric acid, distinct from standard sulfuric acid classified in heading 28.07.
Duty Rate — Mexico → Canada
0%
Import Tips
• Oleum is extremely corrosive and reacts violently with water; you must comply with Transport Canada dangerous goods regulations and provide the UN number (UN 1831)
• The CBSA may require a certificate of analysis to confirm the concentration of free SO3
• Ensure proper packaging and labeling for corrosive materials are in place