4,4'-Methylenebis(2,6-di-tert-butylphenol)

4,4'-亚甲基双(2,6-二叔丁基苯酚)

Also known as: 2,6-ditert-butyl-4-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]phenol, Bis(3,5-di-tert-butyl-4-hydroxyphenyl)methane, Ethanox 702, Antioxidant 702, Phenol, 4,4'-methylenebis[2,6-bis(1,1-dimethylethyl)-

4,4'-Methylenebis(2,6-di-tert-butylphenol) (CAS 118-82-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C29H44O2 and a molecular weight of 424.659 g/mol. It is also known as 2,6-ditert-butyl-4-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]phenol, Bis(3,5-di-tert-butyl-4-hydroxyphenyl)methane and Ethanox 702. Key properties include a melting point of 155-159 °C(lit.), a boiling point of 459.5±40.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 178.1±21.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
118-82-1
Jingsj CID
J-20369-0
Molecular Formula
C29H44O2
Chinese Name
4,4'-亚甲基双(2,6-二叔丁基苯酚)
Molecular Weight
424.659 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155-159 °C(lit.)
Boiling Point459.5±40.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point178.1±21.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4,4'-Methylenebis(2,6-di-tert-butylphenol)?

The CAS number of 4,4'-Methylenebis(2,6-di-tert-butylphenol) is 118-82-1.

What are the molecular formula and molecular weight of 4,4'-Methylenebis(2,6-di-tert-butylphenol)?

4,4'-Methylenebis(2,6-di-tert-butylphenol) has molecular formula C29H44O2 and molecular weight 424.659 g/mol.

Is 4,4'-Methylenebis(2,6-di-tert-butylphenol) hazardous?

4,4'-Methylenebis(2,6-di-tert-butylphenol) has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4,4'-Methylenebis(2,6-di-tert-butylphenol) (CAS 118-82-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20369-0 (accessed 2026-10-22).

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