Share:|Follow us on LinkedIn

Sodium Isopropylnaphthalenesulfonate

This polynuclear aromatic sulfonate with isopropyl group fits HTS 2904.10.32.00 as specified in note 3. Excellent wetting agent for industrial cleaners.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+35.0%40.5%
🇲🇽Mexico5.5%+10.0%15.5%
🇨🇦Canada5.5%+10.0%15.5%
🇩🇪Germany5.5%+10.0%15.5%
🇯🇵Japan5.5%+10.0%15.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2904Same rate: 40.5%

If other aromatic derivatives

Different substitution patterns may fall outside note 3.

3402Lower: 13.7% vs 40.5%

If nonionic detergent formulations

Final formulations classify under chapter 34.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Get AI-powered classificationCalculate exact duty

Import Tips & Compliance

• Verify naphthalene structure compliance with chapter 29 notes

• HLB value 10-12 confirms surfactant properties

• Light-sensitive; use amber packaging

Related Products under HTS 2904.10.32.00

Sodium Dodecylbenzenesulfonate

Sodium dodecylbenzenesulfonate is an anionic surfactant with a sulfonated aromatic hydrocarbon structure, classified under HTS 2904.10.32.00 as an aromatic derivative containing only sulfo groups. It is commonly used in detergents and cleaning formulations for its emulsifying properties.

Linear Alkylbenzene Sulfonic Acid (LABSA)

LABSA is a sulfonic acid derived from linear alkylbenzenes, featuring a single sulfo group on an aromatic ring, fitting HTS 2904.10.32.00 criteria. It's a key intermediate for producing biodegradable detergents and emulsifiers.

Sodium Xylenesulfonate

Sodium xylenesulfonate is a hydrotrope salt of xylene sulfonic acid, an aromatic sulfonate covered by HTS 2904.10.32.00. It enhances solubility in liquid detergents and cleaning products.

Toluene Sulfonic Acid (TsOH)

P-toluenesulfonic acid monohydrate is a strong organic acid with a methyl-substituted aromatic sulfonate, qualifying under HTS 2904.10.32.00. Used as catalyst in esterification and resin synthesis.

Cumene Sulfonic Acid Sodium Salt

This sodium salt of cumene sulfonic acid is an aromatic sulfonate with isopropyl substitution, classified in HTS 2904.10.32.00 per section VI note 3. Applied in hydrotropic formulations for cleaners.

Dodecylbenzene Sulfonic Acid

Dodecylbenzene sulfonic acid (DDBSA) is a branched alkyl aromatic sulfonic acid under HTS 2904.10.32.00. Essential raw material for high-foaming detergent production.