2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone

2,5-二特辛基对苯二酚

Also known as: 2,5-Di-tert-octylhydroquinone, 2,5-Bis(1,1,3,3-tetramethylbutyl)hydrochinon, 2,5-Bis(2,4,4-trimethylpentan-2-yl)benzene-1,4-diol, 2,5-Di-tert-octyl-1,4-dihydroxybenzene, Bistetramethylbutylhydroquinone, Hydroquinone-bis(1,1,3,3-tetramethylbutyl), MFCD00128797

2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone (CAS 903-19-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C22H38O2 and a molecular weight of 334.53600 g/mol. It is also known as 2,5-Di-tert-octylhydroquinone, 2,5-Bis(1,1,3,3-tetramethylbutyl)hydrochinon and 2,5-Bis(2,4,4-trimethylpentan-2-yl)benzene-1,4-diol. Key properties include a melting point of 130 °C, a boiling point of 432.3ºC at 760 mmHg, a density of 0.95 g/cm3 and a flash point of 181ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
903-19-5
Jingsj CID
J-3599-6
Molecular Formula
C22H38O2
Chinese Name
2,5-二特辛基对苯二酚
Molecular Weight
334.53600 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point130 °C
Boiling Point432.3ºC at 760 mmHg
Density0.95 g/cm3
Flash Point181ºC

Frequently Asked Questions

What is the CAS number of 2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone?

The CAS number of 2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone is 903-19-5.

What are the molecular formula and molecular weight of 2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone?

2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone has molecular formula C22H38O2 and molecular weight 334.53600 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-Bis(1,1,3,3-tetramethylbutyl)hydroquinone (CAS 903-19-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3599-6 (accessed 2026-10-25).

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