Diphenol may refer to:
- Benzenediols
- Bisphenols
- Dihydroxybiphenyls
- Certain polyphenols (those with 2 phenolic groups)
The bisphenols are a group of chemical compounds with two hydroxyphenyl functionalities. Most of them are based on diphenylmethane. The exceptions are bisphenol S, P, and M. "Bisphenol" is a common name; the letter following refers to one of the reactants. Bisphenol A is the most popular representative of this group, often simply called "bisphenol."
Dihydroxybiphenyl may refer to:
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