2,2',6,6'-tetra-tert-butyl-4,4'-biphenol

Also known as: 3,3',5,5'-tetra(tert-butyl)[1,1'-biphenyl]-4,4'-diol, 3,3',5,5'-tetra-tert-butylbiphenyl-4,4'-diol, 2,2',6,6'-tetra-tert-butyl-4,4'-dihydroxybiphenyl, 2,2',6,6'-tetra-tert-butyl-p,p'-biphenol, 4,4'-bis(2,6-di-tert-butylphenol), Agidol 5, Ethyl 712

2,2',6,6'-tetra-tert-butyl-4,4'-biphenol (CAS 128-38-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C28H42O2 and a molecular weight of 410.63200 g/mol. Key properties include a melting point of 185ºC, a boiling point of 460.4ºC at 760 mmHg, a density of 0.981g/cm3 and a flash point of 182ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 128-38-1
Jingsj CID: J-44192-9
Molecular Formula: C₂₈H₄₂O₂
Molecular Weight: 410.63200 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	185ºC
Boiling Point	460.4ºC at 760 mmHg
Density	0.981g/cm3
Flash Point	182ºC
Exact Mass	410.31800
PSA	40.46000
LogP	7.95480
Vapor Pressure	4.27E-09mmHg at 25°C
Refractive Index	1.524

Customs & Trade Information

HS Code	2907299090
Summary	2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,2',6,6'-tetra-tert-butyl-4,4'-biphenol?

The CAS number of 2,2',6,6'-tetra-tert-butyl-4,4'-biphenol is 128-38-1.

What are the molecular formula and molecular weight of 2,2',6,6'-tetra-tert-butyl-4,4'-biphenol?

2,2',6,6'-tetra-tert-butyl-4,4'-biphenol has molecular formula C28H42O2 and molecular weight 410.63200 g/mol.

What are the upstream and downstream products of 2,2',6,6'-tetra-tert-butyl-4,4'-biphenol?

For 2,2',6,6'-tetra-tert-butyl-4,4'-biphenol, Upstream Products: 2,6-Di-tert-butylphenol, 3,3',5,5'-Tetra-tert-butyldiphenoquinone, 2,6-Di-tert-butyl-4-methylene-2,5-cyclohexadienone; Downstream Products: 4,4'-Dihydroxybiphenyl, Isobutylene, tbt.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,2',6,6'-tetra-tert-butyl-4,4'-biphenol (CAS 128-38-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44192-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.