4,4'-Dinitrostilbene-2,2'-disulfonic acid with stabilizer
Stabilized 4,4'-Dinitrostilbene-2,2'-disulfonic acid containing anticaking agent for preservation during storage and transport. Remains under HTS 2904.99.35.00 per chapter note (f) allowing stabilizers necessary for preservation. Industrial dye production intermediate.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stabilizer renders specific use
Additives making product suitable beyond general use exclude from Chapter 29.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• List stabilizer composition and quantity in documentation, ensuring it's solely for preservation not functionality
• Verify stabilizer doesn't create mixture classifiable under 3824
• Maintain batch records showing addition solely for transport stability
Related Products under HTS 2904.99.35.00
4,4'-Dinitrostilbene-2,2'-disulfonic acid
4,4'-Dinitrostilbene-2,2'-disulfonic acid is a sulfonated and nitrated derivative of the hydrocarbon stilbene, featuring two nitro groups and two sulfonic acid groups. It is classified under HTS 2904.99.35.00 as a specific chemically defined organic compound within the category of sulfonated, nitrated, or nitrosated hydrocarbons. This compound serves primarily as an intermediate in dye synthesis.
4,4'-Dinitrostilbene-2,2'-disulfonic acid, 85% purity
Technical grade 4,4'-Dinitrostilbene-2,2'-disulfonic acid at 85% purity with minor impurities, still recognized as the specific compound. Falls under HTS 2904.99.35.00 per chapter note (a) allowing impurities in chemically defined compounds. Used in industrial dye manufacturing processes.
Sodium 4,4'-Dinitrostilbene-2,2'-disulfonate
The sodium salt form of 4,4'-Dinitrostilbene-2,2'-disulfonic acid, where inorganic sodium pairs with the organic sulfonic acid. HTS 2904.99.35.00 applies per chapter note on inorganic salts of organic compounds classifying with the parent acid. Common form for dye intermediate applications.
4,4'-Dinitrostilbene-2,2'-disulfonic acid aqueous solution 20%
20% aqueous solution of 4,4'-Dinitrostilbene-2,2'-disulfonic acid prepared for safe transport. Qualifies under HTS 2904.99.35.00 per chapter note (d) for products dissolved in water. Used in liquid form for immediate dye processing.