(trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene

Also known as: K114, K-114, 4,4'-((1E,1'E)-(2-bromo-1,4-phenylene)bis(ethene-2,1-diyl))diphenol, 4,4'-[(2-bromo-1,4-phenylene)di-(1E)-2,1-ethenediyl]bisphenol, Phenol, 4,4'-[(2-bromo-1,4-phenylene)di-(1E)-2,1-ethenediyl]bis-, hms3263m09, (trans,trans)-1-bromo-2,5-bis-(4-hydroxy)styrylbenzene

(trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene (CAS 872201-12-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C22H17BrO2 and a molecular weight of 393.27 g/mol. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation and H413. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 872201-12-2
Jingsj CID: J-1959978-8
Molecular Formula: C₂₂H₁₇BrO₂
Molecular Weight: 393.27 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	392.04100
PSA	40.46000
LogP	6.20110

GHS Safety & Compliance

IrritantSignal word: Warning

H319 — Causes serious eye irritation
H413

Activity & Biological Data

Additional Information	[1]. LeVine H 3rd, et al. Mechanism of A beta(1-40) fibril-induced fluorescence of (trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene (K114). Biochemistry. 2005 Dec 6;44(48):15937-43.

Frequently Asked Questions

What is the CAS number of (trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene?

The CAS number of (trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene is 872201-12-2.

What are the molecular formula and molecular weight of (trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene?

(trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene has molecular formula C22H17BrO2 and molecular weight 393.27 g/mol.

Is (trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene hazardous?

(trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation; H413.

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. "(trans,trans)-1-bromo-2,5-bis(4-hydroxystyryl)benzene (CAS 872201-12-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959978-8 (accessed 2026-11-07).

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