3-(4-hydroxyphenyl)propanal

Also known as: 3-(4-HYDROXY-PHENYL)-PROPIONALDEHYDE, 4-HYDROXY-BENZENEPROPANAL, 4-Hydroxybenzenepropanal, 4-Hydroxydihydrocinnamaldehyde, BENZENEPROPANAL,4-HYDROXY, Benzenepropanal, 4-hydroxy-, dihydro-p-coumaryl aldehyde

3-(4-hydroxyphenyl)propanal (CAS 20238-83-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H10O2 and a molecular weight of 150.17400 g/mol. Key properties include a boiling point of 276.563ºC at 760 mmHg, a density of 1.116g/cm3 and a flash point of 115.635ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20238-83-9
Jingsj CID: J-976683-0
Molecular Formula: C₉H₁₀O₂
Molecular Weight: 150.17400 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	276.563ºC at 760 mmHg
Density	1.116g/cm3
Flash Point	115.635ºC
Exact Mass	150.06800
PSA	37.30000
LogP	1.52370
Vapor Pressure	0.003mmHg at 25°C
Refractive Index	1.545

Frequently Asked Questions

What is the CAS number of 3-(4-hydroxyphenyl)propanal?

The CAS number of 3-(4-hydroxyphenyl)propanal is 20238-83-9.

What are the molecular formula and molecular weight of 3-(4-hydroxyphenyl)propanal?

3-(4-hydroxyphenyl)propanal has molecular formula C9H10O2 and molecular weight 150.17400 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-(4-hydroxyphenyl)propanal (CAS 20238-83-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-976683-0 (accessed 2026-11-09).

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