Naphthalene Trisulfonic Acid Sodium Salt
1,3,6-Naphthalenetrisulfonic acid trisodium salt, though containing multiple sulfo groups, classified under HTS 2904.10.32.00 per note 3. Dye manufacturing intermediate.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If multiple nitrogen functions
Additional nitrogen groups present precedence.
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Import Tips & Compliance
• Confirm trisulfonation pattern via HPLC
• High water solubility (>50%) characteristic
• Dye precursor; verify end-use declaration
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.