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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If solvent exceeds transport norms
Solutions rendered suitable for specific use fall outside Chapter 29 into chemical preparations.
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Import Tips & Compliance
• Document exact concentration (20%) and confirm water dissolution meets 'normal transport' criteria without specific use formulation
• Comply with IMDG/UN shipping requirements for aqueous nitro compounds
• Higher concentrations or organic solvents may shift to 3824 preparations
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 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.