2,2-Bis(3-amino-4-hydroxylphenyl)propane (BAP) CAS 1220-78-6

Name: 2,2-Bis(3-amino-4-hydroxylphenyl)propane (BAP) CAS 1220-78-6
Brand: Aure Chemical
Price: 1.00 USD
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Synonyms: BHAPP; 4,4'-(Propane-2,2-diyl)bis(2-aminophenol); 4,4'-Isopropylidenebis(2-aminophenol); Phenol, 4,4'-(1-methylethylidene)bis[2-amino-; 2,2-Bis(3-amino-4-hydroxyphenyl)propane; 2-amino-4-[2-(3-amino-4-hydroxyphenyl)propan-2-yl]phenol

Shandong Aure Chemical Co., Ltd. is one of the leading suppliers of BAP in China and also one of the manufacturers of this product.

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Product Details

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2,2-Bis(3-amino-4-hydroxyphenyl)propane (BAP), CAS 1220-78-6, also known as 4,4'-Isopropylidenebis(2-aminophenol), is a aromatic diamino dihydroxy monomer featuring a propane core and dual amine–hydroxyl functionality. Its molecular structure supports the synthesis of advanced polymer systems exhibiting thermal stability, chemical resistance, mechanical integrity, and intrinsic flame-resistant characteristics at the material level.

Basic Information of BAP

Product Name	2,2-Bis(3-amino-4-hydroxylphenyl)propane
Abbreviation	BAP
CAS Number	1220-78-6
Molecular Formula	C15H18N2O2
Molecular Weight	258.32 g/mol
Appearance	White to yellow to orange powder or crystals
Purity	≥99.5%
Package	1kg/bottle, 20kg/drum, or customized
Molecular Structure

Key Properties

High thermal stability associated with aromatic backbone
Dual amine and hydroxyl groups enabling crosslinking or reactive modification
Aromatic structure contributing to mechanical strength and rigidity
Good solubility in polar aprotic solvents for polymer synthesis
Moderate polarity and hydrogen bonding supporting interfacial compatibility

Typical Application Contexts of BAP

High-Performance Polymer Chemistry: Utilized as a multifunctional monomer in polyimides, polyamides, and polybenzoxazole-type systems investigated for high-temperature and structurally demanding polymer environments .

Gas Separation and Membrane Research: Incorporated into o-hydroxy polyimide-derived materials and thermally rearranged polybenzoxazoles (TR-PBOs) studied for gas transport and separation behavior.

Electronics and Insulating Polymer Systems: Investigated in insulating and dielectric polymer formulations relevant to electronics and semiconductor-related material research .

Flame-Resistant and Interface-Active Materials: Explored in epoxy, polyurethane, and composite systems where intrinsic thermal stability and flame resistance are of interest at the formulation level.

Specialty Functional Polymer Systems: Studied as a reactive building block in specialty functional polymer materials requiring controlled crosslinking and interface compatibility.

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Packaging, Logistics & Compliance Capabilities

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