Didecyldimethylammonium Chloride (DDAC)
DDAC is a cationic surfactant widely used as a disinfectant and biocide in industrial cleaning formulations. It qualifies under heading 3402 by producing stable emulsions and lowering water surface tension per the technical test. Falls in 3402.41.90.00 as other cationic agents beyond those specified.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily a pesticide or disinfectant
Disinfectants based on quaternary ammonium shift to Chapter 38 if end-use dominates.
If for non-cationic quaternary types
Ionic classification determines cationic subheading vs other surface-active agents.
If imported as pure chemical intermediate
Chemically defined halogenated compounds excluded by Chapter Note.
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Import Tips & Compliance
• Include EPA registration if used as disinfectant to comply with pesticide import rules
• Document concentration and test results proving organic surface-active agent status
• Label clearly as cationic to prevent reclassification into anionic or nonionic categories
Related Products under HTS 3402.41.90.00
Cetrimonium Chloride Surfactant
Cetrimonium chloride is a cationic organic surface-active agent used in hair conditioners and fabric softeners for its conditioning properties. It meets the Chapter 34 definition by forming stable emulsions in water and reducing surface tension below 45 dyne/cm. Classified under 3402.41.90.00 as a non-soap cationic surfactant not put up for retail sale.
Benzalkonium Chloride Concentrate
Benzalkonium chloride is a cationic surface-active agent used in antiseptics, preservatives, and cleaning solutions. It satisfies 3402 criteria through its emulsifying and tension-reducing properties in aqueous solutions. Classified in 3402.41.90.00 for other cationic surfactants.
Quaternary Ammonium Fabric Softener Base
This bulk cationic surfactant base, typically dihydrogenated tallow dimethyl ammonium chloride, is used in formulating laundry softeners. It meets heading 3402 tests for surface activity and is not soap-based. HTS 3402.41.90.00 covers such other cationics.
Cationic Emulsifier for Bitumen
Cationic emulsifiers like Armac T are organic surface-active agents used to emulsify asphalt for road construction. They form stable emulsions per 3402 note and reduce surface tension effectively. 3402.41.90.00 applies to these other cationics.
Dialkyl Dimethyl Ammonium Chloride
Dialkyl dimethyl ammonium chloride serves as a cationic surfactant in antimicrobial formulations and phase transfer catalysts. Meets precise 3402 definition through water tests. Other cationic under 3402.41.90.00.
Cocamidopropyl PG-Dimonium Chloride
A cationic derivative from coconut oil used in conditioning shampoos and body washes as a surfactant. Complies with heading 3402 organic surface-active criteria. 3402.41.90.00 for other cationics.