Dodecylbenzene Sulfonic Acid (DDBSA)
DDBSA is a key aromatic surfactant used in liquid detergents and emulsifiers, featuring a modified benzene ring structure. It qualifies under heading 3402 per the surface tension reduction test in Chapter notes. The aromatic content places it specifically in 3402.90.30.00.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as a pure chemical intermediate
Sulfonic acids without surfactant function may classify under Chapter 29 hydrocarbons.
If lacking aromatic modification
Non-aromatic sulfonic acid surfactants go to the residual subheading.
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Import Tips & Compliance
• Provide CAS number (27176-87-0) and technical data sheets for accurate HTS verification
• Check for hazardous material shipping requirements under DOT regulations
• Label containers with GHS pictograms to avoid customs delays
Related Products under HTS 3402.90.30.00
Linear Alkylbenzene Sulfonate (LAS) Anionic Surfactant
LAS is a widely used anionic surfactant derived from benzene, containing aromatic surface-active agents essential for detergent formulations. It meets the Chapter 34 definition by reducing surface tension in water solutions to below 45 dyne/cm. Classified under 3402.90.30.00 due to its aromatic structure.
Sodium Dodecylbenzene Sulfonate
This neutralized form of DDBSA serves as an anionic surfactant in household cleaners with inherent aromatic structure. It forms stable emulsions per heading 3402 criteria. Classified in 3402.90.30.00 for containing modified aromatic surface-active agents.
Alkylbenzene Sulfonate Surfactant Blend
A commercial blend dominated by LAS and similar aromatic surfactants for industrial detergent production. Complies with 3402 organic surface-active agent definition via emulsion stability test. Aromatic components trigger 3402.90.30.00 classification.
Nonylphenol Ethoxylate Aromatic Surfactant
NP-10 is a nonionic surfactant with alkylphenol aromatic base, used in industrial cleaners and emulsifiers. Meets surface tension criteria of heading 3402 Chapter notes. Contains modified aromatic agents qualifying for 3402.90.30.00.
Toluene Sulfonate Surfactant
Specialty aromatic sulfonate from toluene modification, applied in high-performance cleaners. Exhibits required surface tension properties per 3402 definition. Strictly classified under 3402.90.30.00 due to aromatic surface-active nature.
Xylene-Derived Sulfonate Surfactant
Surfactant produced from xylene sulfonation for heavy-duty emulsification in paints and cleaners. Conforms to Chapter 34 organic surface-active agent test parameters. Aromatic structure dictates 3402.90.30.00 placement.