Oleum (Fuming Sulfuric Acid) from Canada
Oleum, a solution of sulfur trioxide in sulfuric acid, appearing as fuming sulfuric acid used in organic synthesis and explosives manufacturing. Classified under HTS 2807.00.00.00 explicitly as oleum, a chemically pure form per Chapter 28 notes. It is handled with extreme care due to its reactivity.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Require Material Safety Data Sheets (MSDS) confirming SO3 content for classification; use UN-approved acid-resistant containers
• Pitfall: confusing with pure SO3, which goes to 2811.29