2-(4-Methylphenyl)propanal

Also known as: alpha,4-dimethyl-Benzeneacetaldehyde, 2-(p-tolyl)propanal, 2-(p-tolyl)propionaldehyde, p-Methylhydratropaldehyde, para-methyl hydratropaldehyde, FEMA 3078, 2-(4-methylphenyl)propanal, 2-(4'-methylphenyl)propionaldehyde, 2-(p-methylphenyl)propionaldehyde, 2-p-tolyl-propionaldehyd, 2-p-tolyl-propionaldehyde, Hydratropaldehyde, p-methyl-

2-(4-Methylphenyl)propanal (CAS 99-72-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H12O and a molecular weight of 148.20200 g/mol. Key properties include a boiling point of 226.8ºCat 760 mmHg, a density of 0.967 g/cm3 and a flash point of 101ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 99-72-9
Jingsj CID: J-1401983-6
Molecular Formula: C₁₀H₁₂O
Molecular Weight: 148.20200 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	226.8ºCat 760 mmHg
Density	0.967 g/cm3
Flash Point	101ºC
Exact Mass	148.08900
PSA	17.07000
LogP	2.29740
Refractive Index	1.522

Frequently Asked Questions

What is the CAS number of 2-(4-Methylphenyl)propanal?

The CAS number of 2-(4-Methylphenyl)propanal is 99-72-9.

What are the molecular formula and molecular weight of 2-(4-Methylphenyl)propanal?

2-(4-Methylphenyl)propanal has molecular formula C10H12O and molecular weight 148.20200 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. "2-(4-Methylphenyl)propanal (CAS 99-72-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1401983-6 (accessed 2026-11-06).

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