1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane

Also known as: 4,4',4'',4'''-(1,2-ethanediylidene)tetrakis-Phenol, 4,4',4'',4'''-(1,2-ethanediylidene)tetraphenol, 1,1,2,2-Ethanetetra-p-phenol, 1,1,2,2-Tetrakis(p-hydroxyphenyl)ethane, 4,4',4'',4'''-(1,1,2,2-Ethanetetrayl)tetraphenol, 4-[1,2,2-tris(4-hydroxyphenyl)ethyl]phenol, EINECS 231-782-3, MFCD00002371

1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane (CAS 7727-33-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C26H22O4 and a molecular weight of 398.45000 g/mol. Key properties include a melting point of >250ºC (dec.), a boiling point of 566.4ºC at 760 mmHg, a density of 1.309 g/cm3 and a flash point of 252.9ºC. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 7727-33-5
Jingsj CID: J-1063672-3
Molecular Formula: C₂₆H₂₂O₄
Molecular Weight: 398.45000 g/mol
Category: Aromatic Hydrocarbons
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	>250ºC (dec.)
Boiling Point	566.4ºC at 760 mmHg
Density	1.309 g/cm3
Flash Point	252.9ºC
Exact Mass	398.15200
PSA	80.92000
LogP	5.47300
Refractive Index	1.692
Storage Conditions	2-8℃

GHS Safety & Compliance

Corrosion / Environmental HazardSignal word: Danger

H318 — Causes serious eye damage
H400 — Very toxic to aquatic life

Customs & Trade Information

HS Code	2907199090
Summary	2907199090 other monophenols VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane?

The CAS number of 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane is 7727-33-5.

What are the molecular formula and molecular weight of 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane?

1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane has molecular formula C26H22O4 and molecular weight 398.45000 g/mol.

Is 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane hazardous?

1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane has GHS signal word Danger and hazard statements H318 — Causes serious eye damage; H400 — Very toxic to aquatic life.

What are the upstream and downstream products of 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane?

For 1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane, Upstream Products: Phenol, Phenolphthalin, Sodium phenoxide.

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

Last updated: 11/3/2026

How to cite: Jingsj. "1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane (CAS 7727-33-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1063672-3 (accessed 2026-11-09).

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