3-(3-methoxyphenyl)propanal

Also known as: 3-(3-methoxyphenyl)propionaldehyde, 3-(m-methoxyphenyl)propanal, 3-methoxybenzenepropanal, 3-methoxydihydrocinnamaldehyde, benzenepropanal, 3-methoxy-

3-(3-methoxyphenyl)propanal (CAS 40138-66-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H12O2 and a molecular weight of 164.20100 g/mol. Key properties include a boiling point of 252.3ºC at 760mmHg, a density of 1.025g/cm3 and a flash point of 104.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40138-66-7
Jingsj CID: J-1521848-1
Molecular Formula: C₁₀H₁₂O₂
Molecular Weight: 164.20100 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	252.3ºC at 760mmHg
Density	1.025g/cm3
Flash Point	104.2ºC
Exact Mass	164.08400
PSA	26.30000
LogP	1.82670
Refractive Index	1.502

Customs & Trade Information

HS Code	2912499000
Summary	2912499000. 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 3-(3-methoxyphenyl)propanal?

The CAS number of 3-(3-methoxyphenyl)propanal is 40138-66-7.

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

3-(3-methoxyphenyl)propanal has molecular formula C10H12O2 and molecular weight 164.20100 g/mol.

What are the upstream and downstream products of 3-(3-methoxyphenyl)propanal?

For 3-(3-methoxyphenyl)propanal, Upstream Products: 3-(3-Methoxyphenyl)-1-propanol, 3-Iodoanisole, 3-vinylanisole; Downstream Products: 5-Methoxy-1-indanone.

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-(3-methoxyphenyl)propanal (CAS 40138-66-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521848-1 (accessed 2026-11-09).

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