butyl (2E)-3-(4-methylphenyl)acrylate

Also known as: (E)-3-p-tolyl-acrylic acid butyl ester, 4-methyl-trans-cinnamic acid butyl ester, 4-methyl-trans-cinnamic acid n-butyl ester, butyl 3-(4-methylphenyl)prop-2-enoate, trans-4-methylcinnamic acid n-butyl ester, 2-Propenoic acid, 3-(4-methylphenyl)-, butyl ester, (2E)-

butyl (2E)-3-(4-methylphenyl)acrylate (CAS 123248-21-5) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C14H18O2 and a molecular weight of 218.29200 g/mol. Key properties include a boiling point of 321.854ºC at 760 mmHg, a density of 1.01g/cm3 and a flash point of 174.75ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 123248-21-5
Jingsj CID: J-1496947-2
Molecular Formula: C₁₄H₁₈O₂
Molecular Weight: 218.29200 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	321.854ºC at 760 mmHg
Density	1.01g/cm3
Flash Point	174.75ºC
Exact Mass	218.13100
PSA	26.30000
LogP	3.35150
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.535

Frequently Asked Questions

What is the CAS number of butyl (2E)-3-(4-methylphenyl)acrylate?

The CAS number of butyl (2E)-3-(4-methylphenyl)acrylate is 123248-21-5.

What are the molecular formula and molecular weight of butyl (2E)-3-(4-methylphenyl)acrylate?

butyl (2E)-3-(4-methylphenyl)acrylate has molecular formula C14H18O2 and molecular weight 218.29200 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. "butyl (2E)-3-(4-methylphenyl)acrylate (CAS 123248-21-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1496947-2 (accessed 2026-11-09).

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