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Fluorenone-2-sulfonic Acid

Fluorenone-2-sulfonic acid combines cyclic aromatic ketone with sulfonic substitution, fitting sulfonated derivative criteria of HTS 2914.79.40.00. Used in dye intermediates.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+7.5%13%
🇲🇽Mexico5.5%5.5%
🇨🇦Canada5.5%5.5%
🇩🇪Germany5.5%5.5%
🇯🇵Japan5.5%5.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2914.79Same rate: 13%

If quinone rather than true ketone

Quinones have dedicated subheading within aromatic derivatives.

Not sure which classification is right?

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Import Tips & Compliance

UV-Vis spectrum confirms ketone chromophore essential for classification

Avoid retail dye packing per chapter exclusion note (g)

pH stability data required for aqueous handling declarations