Cumenesulfonic Acid
Cumenesulfonic acid is an aromatic anionic surfactant derived from cumene (isopropylbenzene), used as a hydrotrope and polymerization emulsifier. It falls under this tariff item as an anionic organic surface-active agent, not elsewhere specified, and meets the Chapter 34 definition for surface-active products.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | — | 6.5% |
| 🇲🇽Mexico | 6.5% | — | 6.5% |
| 🇺🇸United States | 6.5% | — | 6.5% |
| 🇩🇪Germany | 6.5% | — | 6.5% |
| 🇯🇵Japan | 6.5% | — | 6.5% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is specifically formulated for use in slow-dissolving toilet tank solids
This item covers sodium alkylbenzene sulphonates for that specific manufacturing use, which may apply if the cumene sulfonic acid is used similarly.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product meets the Chapter 34 surface-active test (0.5% concentration, stable emulsion, surface tension reduction) to qualify for this tariff item
• Provide a safety data sheet and technical specification to the CBSA if requested
• Verify whether the product is subject to any chemical control regulations under Canadian environmental law
Related Products under Tariff item 3402.39.90
Alpha Olefin Sulfonate Sodium Salt
Alpha olefin sulfonate sodium salt is a sulfonate surfactant, though sometimes grouped with sulfates, it is strictly a sulfonate for classification purposes. It falls under this tariff item as an anionic organic surface-active agent, not elsewhere specified, meeting the Chapter 34 criteria for surface activity.
Ammonium Laureth Sulfate
Ammonium Laureth Sulfate is a mild anionic surfactant used in baby shampoos and bubble baths, providing rich lather. It meets the Chapter 34 definition of organic surface-active agents by reducing surface tension and forming stable emulsions. This ethoxylated anionic agent falls under tariff item 3402.39.90 as 'Other' anionic organic surface-active agents.
Ammonium Lauryl Sulfate Solution
Ammonium Lauryl Sulfate Solution is a 28-30% active ammonium salt of lauryl sulfate, used as an anionic foaming agent in liquid soaps and shampoos. It qualifies as an organic surface-active agent under Chapter 34, forming stable emulsions and meeting the surface tension reduction criteria. This product is classified under 3402.39.90 as an 'other' anionic surface-active agent.
Ammonium Lauryl Sulfate Solution 28%
Ammonium Lauryl Sulfate Solution 28% is a salt of sulfated lauryl alcohol, supplied as a 28% aqueous solution for use in shampoos and bubble baths. It qualifies as an anionic organic surface-active agent under heading 34.02. This product is classified under tariff item 3402.39.90 as 'Other' anionic organic surface-active agents.
DEA Lauryl Sulfate 40% Solution
DEA Lauryl Sulfate 40% Solution is a diethanolamine salt for high-foam cleaners. It meets the Chapter 34 definition of organic surface-active agents by reducing surface tension and forming stable emulsions. This product falls under tariff item 3402.39.90 as 'Other' anionic organic surface-active agents.
Dodecylbenzene Sulfonic Acid (DDBSA)
Dodecylbenzene sulfonic acid (DDBSA) is a modified aromatic anionic surfactant used in heavy-duty industrial cleaners, emulsifiers, and agricultural formulations. Its aromatic benzene ring with a long alkyl chain and sulfonic group classifies it under this tariff item as an anionic surface-active agent, other than those specified elsewhere.