1298. Bisphenol B

Nomenclature

CAS number: 77-40-7
4,4′-(1-Methylpropylidene)bisphenol; p,p′-sec-butylidenediphenol; 2,2-bis(4-hydroxyphenyl)butane.
C16H18O2; mol wt 242.31.
C 79.31%, H 7.49%, O 13.21%.

Description and references

May be prepd from phenol and ethyl methyl ketone: Jansen, US 2468982 (1949 to Goodrich).

Chemical structure

Properties

Crystals or tan granules, mp 118.9-121.7°. Approximate soly per 100 g: acetone 266 g; benzene 2.3 g; carbon tetrachloride <0.1 g; ether 133 g; methanol 166 g; V.M.P. naphtha <0.1 g; water <0.1 g.

Use

In the manufacture of phenolic resins.