o-Aminophenol (CAS 95-55-6)
o-Aminophenol is a primary aromatic amine with a hydroxyl group ortho to the amino group, classified under HTS 2922.29.13.00 as an amino-phenol containing a single oxygen function (hydroxy group). It is a key intermediate in synthesizing azo dyes, pharmaceuticals like paracetamol, and rubber antioxidants.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing more than one kind of oxygen function
Compounds with additional oxygen groups like ethers or esters shift to 'other' amino-alcohols under 2922.39 per chapter notes.
If imported as hydrochloride salt
Inorganic salts of organic compounds classify with the parent amine under chapter note rules, potentially to amine salts in 2921.
If pre-reacted into synthetic azo dye
Finished synthetic coloring matter falls under Chapter 32, excluded from Chapter 29 by chapter notes.
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Import Tips & Compliance
• Provide chemical purity certificates and CAS number on invoices to verify classification; ensure packaging complies with UN hazardous material standards for phenols; avoid misclassification as a salt by confirming free base form
Related Products under HTS 2922.29.13.00
2,2-Bis[4-(4-aminophenoxy)phenyl]propane (CAS 13080-86-9)
Also known as Bis(4-(4-aminophenoxy)phenyl)propane or Bis-APAF, this compound features two aminophenol ether units linked by a propane bridge, classified under HTS 2922.29.13.00 as a specified amino-phenol ether. It serves as a diamine monomer in high-performance polyimide polymers for aerospace and electronics.
o-Aminophenol Technical Grade 98%
Technical grade o-Aminophenol at 98% purity, with minor impurities, remains classified under HTS 2922.29.13.00 as the chapter covers compounds whether or not containing impurities. Used in industrial dye manufacturing and as a corrosion inhibitor precursor.
o-Aminophenol Flake Form Stabilized
Stabilized o-Aminophenol in flake form with added anticaking agent for preservation, explicitly allowed under HTS 2922.29.13.00 chapter note (f). Applied in photographic chemicals and antioxidant synthesis.
Bis-APAF Diamine Monomer 99% Pure
High-purity 2,2-Bis[4-(4-aminophenoxy)phenyl]propane (Bis-APAF) at 99%, a named compound under HTS 2922.29.13.00 for amino-phenol ethers. Critical for transparent polyimide films in flexible electronics.
o-Aminophenol with Anti-Dusting Agent
o-Aminophenol powder treated with anti-dusting agent for safety and identification, covered by HTS 2922.29.13.00 note (g). Used in hair dye intermediates and sulfur dye production.
High Purity o-Aminophenol for Pharma
Pharmaceutical-grade o-Aminophenol >99.5% pure, classified under HTS 2922.29.13.00 as a chemically defined amino-phenol. Precursor for acetaminophen (paracetamol) synthesis.