Bisphenol A dihydroxyethyl ether

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Synonyms: Dihydroxyethyl bisphenol A, Hydroxyethylated bisphenol A

Molecular formula: C₁₉H₂₄O₄

Molecular weight: 316.39

CAS number: 901-44-0

EINECS number: 212-985-6

Structural formula:

Physicochemical properties：

Colorless to pale yellow or white solid. Density: 1.135 g/cm³. Physical properties unknown.

The French company SEPPIC produces Dianol 220, with a typical hydroxyl value of 350 mg KOH/g and a melting point of approximately 110℃. The Japanese company Emulsifier Co., Ltd. produces BA-2, with a hydroxyl value of 330–350 mg KOH/g. Hangzhou Bailang Additives Co., Ltd. produces BPE-2, with a hydroxyl value of 330–350 mg KOH/g. Its moisture content is ≤0.1%. Shenyang Puryxing Fine Chemical Co., Ltd.’s hydroxyethylated bisphenol A product is a white solid with a hydroxyl value of 340-360 mg KOH/g.

Properties and Uses：

Containing two benzene rings, it has a rigid molecular structure and can be used to synthesize modified saturated polyesters, unsaturated polyesters, epoxy resins, and (photocurable) acrylates. As a polyurethane chain extender, it can improve properties such as thermal stability, hydrolysis resistance, hardness, and flexibility.