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2-(4-Methoxyphenyl)acetaldehyde

Also known as: (4-Methoxyphenyl)acetaldehyde, (4-Methoxyphenyl)ethanal, 4-METHOXYPHENYLACETALDEHYDE, 4-Methoxybenzeneacetaldehyde, AKOS BB-9815, Benzeneacetaldehyde, 4-methoxy-, PARA-METHOXYPHENYLACETALDEHYDE, para-anisyl acetaldehyde, p-Anisylacetaldehyde, Homoanisaldehyde, 2-(p-Anisyl)ethanal

2-(4-Methoxyphenyl)acetaldehyde (CAS 5703-26-4) 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 150.174 g/mol. Key properties include a melting point of 0°C, a boiling point of 255.5±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 108.5±13.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5703-26-4
Jingsj CID
J-854557-1
Molecular Formula
C9H10O2
Molecular Weight
150.174 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point0°C
Boiling Point255.5±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point108.5±13.9 °C
Exact Mass150.068085
PSA26.30000
LogP1.69
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.506

Customs & Trade Information

HS Code2912499000
Summary2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-(4-Methoxyphenyl)acetaldehyde?

The CAS number of 2-(4-Methoxyphenyl)acetaldehyde is 5703-26-4.

What are the molecular formula and molecular weight of 2-(4-Methoxyphenyl)acetaldehyde?

2-(4-Methoxyphenyl)acetaldehyde has molecular formula C9H10O2 and molecular weight 150.174 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(4-Methoxyphenyl)acetaldehyde (CAS 5703-26-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-854557-1 (accessed 2026-11-09).

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