Products described in additional U.S. note 3 to section VI
Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated: > Derivatives containing only sulfo groups, their salts and ethyl esters: > Other: > Aromatic: > Products described in additional U.S. note 3 to section VI
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified 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.
Sodium Toluenesulfonate
Sodium p-toluenesulfonate is the salt form of toluenesulfonic acid, an aromatic sulfonate in HTS 2904.10.32.00. Functions as hydrotrope and polymerization stabilizer.
Benzene Sulfonic Acid Sodium Salt
Benzenesulfonic acid sodium salt is the simplest aromatic sulfonic salt under HTS 2904.10.32.00. Used in dye intermediates and as a solubilizer.
Xylene Sulfonic Acid
Xylene sulfonic acid mixture (ortho/para/mixed isomers) is an aromatic sulfonic acid per HTS 2904.10.32.00. Widely used as catalyst and hydrotrope base.
4-Ethylbenzenesulfonic Acid
4-Ethylbenzenesulfonic acid features ethyl substitution on the aromatic sulfonate ring, qualifying for HTS 2904.10.32.00. Used in specialty surfactant synthesis.
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.
Dinonylnaphthalenesulfonic Acid
Dinonylnaphthalenesulfonic acid is a high molecular weight aromatic sulfonic acid under HTS 2904.10.32.00. Used in metal extraction and oil additives.
Petroleum Sulfonic Acid Sodium Salt
Mahogany sulfonates from petroleum refining, aromatic fraction, classified HTS 2904.10.32.00 per note 3. Used as emulsifiers in oilfield chemicals.
Alkyl Aryl Sulfonate
Generic alkyl aryl sulfonate (C12-C15 on benzene) meeting HTS 2904.10.32.00 note 3 specifications. Versatile surfactant base for institutional cleaners.
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.