2-(3-Methoxy-1-propyn-1-yl)benzaldehyde

Also known as: Benzaldehyde, 2-(3-methoxy-1-propyn-1-yl)-, 2-(3-methoxyprop-1-yn-1-yl)benzaldehyde

2-(3-Methoxy-1-propyn-1-yl)benzaldehyde (CAS 220649-65-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H10O2 and a molecular weight of 174.196 g/mol. Key properties include a boiling point of 290.9±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 129.8±16.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 220649-65-0
Jingsj CID: J-1042221-6
Molecular Formula: C₁₁H₁₀O₂
Molecular Weight: 174.196 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	290.9±25.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	129.8±16.7 °C
Exact Mass	174.068085
PSA	26.30000
LogP	2.38
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.543

Frequently Asked Questions

What is the CAS number of 2-(3-Methoxy-1-propyn-1-yl)benzaldehyde?

The CAS number of 2-(3-Methoxy-1-propyn-1-yl)benzaldehyde is 220649-65-0.

What are the molecular formula and molecular weight of 2-(3-Methoxy-1-propyn-1-yl)benzaldehyde?

2-(3-Methoxy-1-propyn-1-yl)benzaldehyde has molecular formula C11H10O2 and molecular weight 174.196 g/mol.

What are the upstream and downstream products of 2-(3-Methoxy-1-propyn-1-yl)benzaldehyde?

For 2-(3-Methoxy-1-propyn-1-yl)benzaldehyde, Upstream Products: 2-Bromobenzaldehyde, Methyl propargyl ether, 2-Chlorobenzaldehyde.

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-(3-Methoxy-1-propyn-1-yl)benzaldehyde (CAS 220649-65-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1042221-6 (accessed 2026-11-09).

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