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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If nitrogen function predominates over oxygen
Compounds where nitrogen groups define class go to 2929 per oxygen/nitrogen function notes.
If containing additional nonmetal atoms linked to carbon
Organic compounds with other heteroatoms classify later under 2942 per chapter numerical order.
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Import Tips & Compliance
• Submit NMR spectra for structure verification; classify as non-hazardous if dust-controlled; watch for anti-dumping on Asian polyimide intermediates
Related Products under HTS 2922.29.13.00
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.
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.
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.