4,4'-Dinitrostilbene-2,2'-disulfonic acid, 85% purity
4,4'-Dinitrostilbene-2,2'-disulfonic acid, 85% purity, is a technical grade version with minor impurities, still recognized as the specific compound per Chapter 29 Note 1(a). It is classified under tariff item 2904.99.00 and is used in dye synthesis.
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 compound is primarily a sulphonated derivative
Sulphonated derivatives are in subheading 2904.10, but the nitro groups make it a compound derivative.
If the compound is primarily a nitrated derivative
Nitrated derivatives are in subheading 2904.20, but the sulphonic groups are also present.
If the product is used as a dye intermediate and put up for retail sale
Synthetic organic colouring matter is in heading 3204, but this product is not a dye.
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
• Technical grade purity is acceptable; ensure the product is a separate chemically defined compound
• Provide a certificate of analysis to CBSA
• For bulk packaging, ensure proper handling and transport documentation for hazardous chemicals
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.