Petroleum Sulfonic Acid Sodium Salt from United States
Petroleum sulfonic acid sodium salt, also known as mahogany sulfonate, is produced by sulfonating petroleum alkylbenzenes with phenolic characteristics. It contains only sulfo groups and is used as an emulsifier in oil drilling operations. This chemically defined salt falls under tariff item 2908.99.00 as a sulfonated derivative of phenols.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is a chemically defined salt with only sulfo groups to qualify for this tariff item
• Declare the CAS number and intended use as an emulsifier to facilitate CBSA classification
• Verify if any anti-dusting or stabilizing agents are added, as these may affect classification