Petroleum Sulfonate Anionic Surfactant
Petroleum Sulfonate Anionic Surfactant is derived from petroleum oils and used to enhance oil recovery and metalworking fluids through emulsification. It qualifies as an organic surface-active agent under Chapter 34, with Chapter Note 4 linking petroleum oil definitions from Chapter 27. This product is classified under 3402.39.90 as an 'other' anionic surface-active agent.
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 used as a lubricating oil additive
Petroleum sulfonates used specifically as additives in lubricating oils may be classified under Chapter 38 rather than as surface-active agents.
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
• Confirm the petroleum oil content and ensure it does not fall under Chapter 27 as a petroleum product, as the surfactant properties take precedence
• Provide technical specifications showing the surface-active characteristics per Chapter Note 3
• Be aware that if the product is a separate chemically defined compound, it may be excluded from Chapter 34
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.
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.
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.