4,4'-(Pentane-2,2-diyl)diphenol

2,2-二(4-羟基苯基)戊烷

Also known as: 2,2-Bis(4-hydroxyphenyl)pentane, 2,2-Bis-(4-hydroxy-phenyl)-pentan, 4,4'-(pentane-2,2-diyl)diphenol, Bisphenol P (incorrect, avoid)

4,4'-(Pentane-2,2-diyl)diphenol (CAS 4204-58-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C17H20O2 and a molecular weight of 256.33900 g/mol. It is also known as 2,2-Bis(4-hydroxyphenyl)pentane, 2,2-Bis-(4-hydroxy-phenyl)-pentan and 4,4'-(pentane-2,2-diyl)diphenol. Key properties include a boiling point of 423.899ºC at 760 mmHg, a density of 1.102g/cm3 and a flash point of 198.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4204-58-4
Jingsj CID
J-1465360-5
Molecular Formula
C17H20O2
Chinese Name
2,2-二(4-羟基苯基)戊烷
Molecular Weight
256.33900 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point423.899ºC at 760 mmHg
Density1.102g/cm3
Flash Point198.7ºC

Frequently Asked Questions

What is the CAS number of 4,4'-(Pentane-2,2-diyl)diphenol?

The CAS number of 4,4'-(Pentane-2,2-diyl)diphenol is 4204-58-4.

What are the molecular formula and molecular weight of 4,4'-(Pentane-2,2-diyl)diphenol?

4,4'-(Pentane-2,2-diyl)diphenol has molecular formula C17H20O2 and molecular weight 256.33900 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4,4'-(Pentane-2,2-diyl)diphenol (CAS 4204-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1465360-5 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.