3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol

Also known as: 2,2',6,6'-Tetramethyl-4,4'-biphenol, 3,3',5,5'-Tetramethylbiphenyl-4,4'-diol, 4,4'-Dihydroxy-3,3',5,5'-tetramethylbiphenyl, 3,3',5,5'-Tetramethyl-4,4'-biphenyldiol, 4,4'-Bi(2,6-dimethylphenol), Tetramethylbiphenol, TMDHB

3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol (CAS 2417-04-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C16H18O2 and a molecular weight of 242.313 g/mol. Key properties include a melting point of 222-225 °C(lit.), a boiling point of 354.6±37.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 162.4±21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2417-04-1
Jingsj CID: J-40422-8
Molecular Formula: C₁₆H₁₈O₂
Molecular Weight: 242.313 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	222-225 °C(lit.)
Boiling Point	354.6±37.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	162.4±21.1 °C
Exact Mass	242.130676
PSA	40.46000
LogP	4.26
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.598

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 3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol?

The CAS number of 3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol is 2417-04-1.

What are the molecular formula and molecular weight of 3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol?

3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol has molecular formula C16H18O2 and molecular weight 242.313 g/mol.

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. "3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol (CAS 2417-04-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40422-8 (accessed 2026-11-09).

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