2,2'-Dihydroxydiphenylamine
2,2'-Dihydroxydiphenylamine contains hydroxy groups ortho to the nitrogen bridge, classified as 'other' under HTS 2921.44.70.00. Functions as a photographic developer intermediate.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified by phenolic hydroxyl function
Dihydroxy compounds may classify under heading 2914 per oxygen function notes.
If photographic chemical preparations
Developer component mixtures classify under Chapter 37.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide oxidation stability data for dark storage requirements
• Include spectral data confirming ortho-hydroxy positioning
• Avoid aqueous solutions unless meeting chapter note (d) criteria
Related Products under HTS 2921.44.70.00
N-Phenyl-1-Naphthylamine
N-Phenyl-1-naphthylamine is a derivative of diphenylamine featuring a naphthyl group substitution, classified under HTS 2921.44.70.00 as an 'other' aromatic monoamine derivative. It is primarily used as an antioxidant in rubber production and lubricant formulations.
p-Isopropoxydiphenylamine
p-Isopropoxydiphenylamine is an ether derivative of diphenylamine with an isopropoxy substituent on one aromatic ring, falling under HTS 2921.44.70.00 as 'other' diphenylamine derivatives. It serves as a stabilizer in polymer processing.
Octylated Diphenylamine
Octylated diphenylamine is an alkylated derivative where octyl chains are substituted onto the diphenylamine structure, classified in HTS 2921.44.70.00 as 'other' derivatives. Commonly used as an antioxidant in petroleum products and lubricants.
4,4'-Di-tert-Butyldiphenylamine
This symmetrical diphenylamine derivative features tert-butyl groups at the 4 and 4' positions, qualifying under HTS 2921.44.70.00 as 'other' salts and derivatives. It functions as a high-temperature antioxidant in synthetic lubricants.
Diphenylamine 2,2'-Dicarboxylic Acid
Diphenylamine 2,2'-dicarboxylic acid features carboxylic acid groups ortho to the nitrogen linkage, classified as an 'other' derivative under HTS 2921.44.70.00. Used in dye intermediates and pharmaceutical synthesis.
Monobenzyl Diphenylamine
Monobenzyl diphenylamine has a benzyl group attached to one phenyl ring of the diphenylamine core, falling under HTS 2921.44.70.00 'other' category. Applied as a corrosion inhibitor in industrial fluids.