High-purity liquid crystal intermediates

1,3-Bis(3-aminophenoxy)benzene  10526-07-5

Synonyms:APB-N :1,3,3-APB

Appearance:Light pink powder

Purity:99%min 

Physical and Chemical Properties

• Molecular formula: C₁₈H₁₆N₂O₂

• Molecular weight: 292.33 g/mol

• Melting point: 105–108 °C

• Solubility: Soluble in DMF, DMAc, NMP, ethanol; insoluble in water

• Stability: Stable under normal conditions, susceptible to oxidation in air

• Characteristic: Aromatic ether diamine with good solubility, high thermal stability, low dielectric constant

Applications

• Key aromatic diamine monomer for high-performance polyimide (PI) synthesis

• Used in transparent polyimide films for flexible electronics, OLED/LCD displays

• Applied in high-temperature resistant coatings, adhesives, and composite materials

• Used in low-dielectric materials for 5G communication and microelectronic packaging

• Raw material for polyamides, epoxy curing agents, and high-temperature polymers

• HS Code: 2922299090