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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily by ether oxygen function
Ether derivatives may shift to heading 2919 if oxygen function dominates over amine per chapter note on oxygen functions.
If artificial graphite additives containing this compound
When incorporated into artificial graphite products, classification moves to Chapter 38.
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Import Tips & Compliance
• Provide analytical data confirming aromatic amine-function structure per chapter notes
• Check for REACH compliance if destined for EU; note potential CMR classification
• Document end-use to prevent reclassification as plastic additive (Chapter 39)
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.
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.
Phenyl-alpha-Naphthylamine (PANA)
Phenyl-alpha-naphthylamine (PANA) combines phenylamine with alpha-naphthyl substitution, classified under HTS 2921.44.70.00 as other diphenylamine derivatives. Essential antioxidant for tire rubber compounds.