2,5-Diphenylhydroquinone

2,5-二苯基对苯二酚

Also known as: (1,1':4',1''-terphenyl)-2',5'-diol, 1,1':4',1''-Terbenzene-2',5'-diol, 1,1':4',1''-Terphenyl]-2',5'-diol, 2',5'-dihydroxy-p-terphenyl, 2,5-Di(phenyl)benzene-1,4-diol, 2,5-diphenyl-1,4-dihydroquinone, 2,5-diphenyl-1,4-dihydroxybenzene, 2,5-diphenylbenzene-1,4-diol, Hydroquinone, 2,5-diphenyl-, [1,1':4',1''-Terphenyl]-2',5'-diol, p-Terphenyl-2',5'-diol

2,5-Diphenylhydroquinone (CAS 5422-91-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C18H14O2 and a molecular weight of 262.30300 g/mol. It is also known as (1,1':4',1''-terphenyl)-2',5'-diol, 1,1':4',1''-Terbenzene-2',5'-diol and 1,1':4',1''-Terphenyl]-2',5'-diol. Key properties include a boiling point of 486.3ºC at 760 mmHg, a density of 1.209g/cm3 and a flash point of 235.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5422-91-3
Jingsj CID
J-1991866-0
Molecular Formula
C18H14O2
Chinese Name
2,5-二苯基对苯二酚
Molecular Weight
262.30300 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point486.3ºC at 760 mmHg
Density1.209g/cm3
Flash Point235.1ºC

Frequently Asked Questions

What is the CAS number of 2,5-Diphenylhydroquinone?

The CAS number of 2,5-Diphenylhydroquinone is 5422-91-3.

What are the molecular formula and molecular weight of 2,5-Diphenylhydroquinone?

2,5-Diphenylhydroquinone has molecular formula C18H14O2 and molecular weight 262.30300 g/mol.

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

Last updated:

How to cite: Jingsj. "2,5-Diphenylhydroquinone (CAS 5422-91-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991866-0 (accessed 2026-10-22).

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