Cumene Sulfonic Acid
Cumene sulfonic acid is an aromatic sulfonated hydrocarbon obtained by sulfonation of cumene (isopropylbenzene). It is a separate chemically defined organic compound with a sulphonic group attached to the aromatic ring, classifiable under heading 2904 as a sulphonated derivative of a hydrocarbon.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product contains only sulphonic groups directly linked to carbon
Subheading 2904.10 covers derivatives containing only sulphonic groups, which may be more specific than 2904.99.
If the product is a mixture of isomers or not chemically defined
Chapter 29 Note 1(b) covers mixtures of isomers of the same organic compound, but other mixtures may fall under heading 3824.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is a separate chemically defined compound; if it contains impurities, they must be incidental to the manufacturing process
• Declare the correct 10-digit code 2904.99.00
• Keep the safety data sheet and technical specification sheet available for CBSA inspection
Related Products under Tariff item 2904.99.00
1,2-Dichloro-4-nitrobenzene
1,2-Dichloro-4-nitrobenzene is a dihalogenated nitrobenzene with chlorine atoms at positions 1 and 2, and a nitro group at position 4. It is a nitrated and halogenated derivative of a hydrocarbon, classified under tariff item 2904.99.00 as 'Other'.
1,2-Dichloro-4-nitrobenzene Reagent Grade
1,2-Dichloro-4-nitrobenzene Reagent Grade is a high-purity version (>99%) for laboratory and fine chemical synthesis. It is a separate chemically defined compound classified under tariff item 2904.99.00, and is used in R&D applications.
1-Bromo-2-nitrobenzene
1-Bromo-2-nitrobenzene is a halogenated nitrated aromatic hydrocarbon with a benzene ring, bromine at position 1, and a nitro group at position 2. It is classified under tariff item 2904.99.00 as a nitrated and halogenated derivative of a hydrocarbon.
1-Bromo-2-nitrobenzene Technical Grade 98%
1-Bromo-2-nitrobenzene Technical Grade 98% is a technical grade version of the compound with 98% purity, meeting Chapter 29 requirements for separate chemically defined compounds. It is classified under tariff item 2904.99.00 and is used in industrial synthesis.
2,4-Dinitrotoluene
2,4-Dinitrotoluene (2,4-DNT) is a dinitrated toluene derivative used as an intermediate in the production of polyurethane foams and as a precursor in explosive manufacturing. It is a separate chemically defined organic compound with nitro groups directly linked to the aromatic ring, classifiable under heading 2904 as a nitrated derivative of a hydrocarbon.
2,4-Dinitrotoluene-5-sulfonic acid
2,4-Dinitrotoluene-5-sulfonic acid is a dinitro derivative of toluene with a sulfonic acid group, making it a sulphonated and nitrated derivative of a hydrocarbon. It is classified under tariff item 2904.99.00 as 'Other', and is used as an intermediate in dye and chemical synthesis.