2,2-Bis[4-(4-aminophenoxy)phenyl]propane (BAPP)

CAS Number 13080-86-9

Chemistry Building Blocks, COF Ligands, Diamines and Dianhydrides, Monomers, Non-Heterocyclic Building Blocks, Porous Organic Frameworks

MSDS

2,2-Bis[4-(4-aminophenoxy)phenyl]propane (BAPP) CAS 13080-86-9

A phenyl ether diamine building block

Normally as a monomer for the preparation of polyimides in application of batteries, fuel cells, low dielectric materials and OLEDs

Overview
Related Products

2,2-Bis[4-(4-aminophenoxy)phenyl]propane (BAPP), CAS number 13080-86-9, is a diamino monomer with a diphenoxy-phenyl core. Owing to the amines on both ends of the molecule, 2,2-bis[4-(4-aminophenoxy)phenyl]propane is desired for the crosslinking polymerisation with carboxylic acid or carboxylic dianhydride building blocks to synthesise polyimides. The polyimide synthesized from this monomer has low dielectric constant and low dielectric loss, making it an ideal candidate for communication application such as high frequency (10 GHz) 5G communication substrates. With low methanol permeability, the derived polyimide is used as membranes in direct methanol fuel cells. This type of polyimide also exhibits excellent cryogenic mechanical properties and fire resistance.

Other than polyimide, BAPP reacts with dialdehydes building blocks to synthesise polyimines with blue photoluminescence emission for OLEDs applications.

General Information

CAS Number	13080-86-9
Chemical Formula	C₂₇H₂₆N₂O₂
Full Name	2,2-Bis[4-(4-aminophenoxy)phenyl]propane
Molecular Weight	410.52 g/mol
Synonyms	4,4'-((Propane-2,2-diylbis(4,1-phenylene))bis(oxy))dianiline 4-[4-[2-[4-(4-aminophenoxy)phenyl]propan-2-yl]phenoxy]aniline 4,4'-(4,4'-Isopropylidenediphenyl-1,1'-diyldioxy)dianiline
Classification / Family	Phenyl ether derivatives, Diamine building blocks, Polyimides, OFETs, Batteries

Chemical Structure

Product Details

Purity	>99%
Melting Point	T_m = 136 °C – 128 °C
Appearance	White to off-white powder

MSDS Documentation

2,2-Bis[4-(4-aminophenoxy)phenyl]propane (BAPP) MSDS Sheet

Literature and Reviews

Characterization and optical properties of oligoazomethines with triphenylamine moieties exhibiting blue, blue-green and green light, D. Sek et al., Spectrochim. Acta A, 72, 1-10(2009); DOI: 10.1016/j.saa.2008.12.030.
Physical and thermal properties of poly(ethylene terephthalate) fabric coated with electrospun polyimide fibers, I. Butnaru et al., High Perform. Polym., 27(5), 616-624(2015); DOI: 10.1177/0954008315584178.
Polyimide/crown ether composite film with low dielectric constant and low dielectric loss for high signal transmission, H. Li et al., RSC Adv., 13, 7585–7596(2023); DOI: 10.1039/d2ra07043j.
Proton-conducting membranes from phosphotungstic acid-doped sulfonated polyimide for direct methanol fuel cell applications, F. Alcaide et al., Polym. Bull., 62, 813–818(2009); DOI: 10.1007/s00289-009-0061-z.
Reactive phosphaphenanthrene aromatic ether diamine endowing epoxy resin with excellent fire resistance, liquid oxygen compatibility and cryogenic mechanical properties, N. Liu et al., React. Funct. Polym., 183, 10500(2023); DOI: 10.1016/j.reactfunctpolym.2023.105500.
Study on preparation and properties of polyimide lithium battery separator, H. Xu et al., IOP Conf. Ser.: Mater. Sci. Eng., 493 012080(2019); DOI: 10.1088/1757-899X/493/1/012080.

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