4-(2-Phenyleth-1-ynyl)benzaldehyde

Also known as: 4-(Phenylethynyl)benzaldehyde, 4-(2-phenylethynyl)benzaldehyde, 4-phenylethynylbenzaldehyde, 4-(phenylacetylenyl)benzaldehyde, 4-(phenylethynyl)phenyl aldehyde, diphenylacetylene-4-carboxaldehyde, 4-PHENYLETHYNYL-BENZALDEHYDE, 4-Phenylethynyl-benzaldehyd, Benzaldehyde, 4-(2-phenylethynyl)-, 4'-Formyl-1,2-diphenylacetylene

4-(2-Phenyleth-1-ynyl)benzaldehyde (CAS 57341-98-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H10O and a molecular weight of 206.23900 g/mol. Key properties include a boiling point of 364.2ºC at 760mmHg, a density of 1.14g/cm3 and a flash point of 159.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 57341-98-7
Jingsj CID: J-874046-3
Molecular Formula: C₁₅H₁₀O
Molecular Weight: 206.23900 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	364.2ºC at 760mmHg
Density	1.14g/cm3
Flash Point	159.8ºC
Exact Mass	206.07300
PSA	17.07000
LogP	2.89890
Refractive Index	1.626

Customs & Trade Information

HS Code	2912299000
Summary	2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-(2-Phenyleth-1-ynyl)benzaldehyde?

The CAS number of 4-(2-Phenyleth-1-ynyl)benzaldehyde is 57341-98-7.

What are the molecular formula and molecular weight of 4-(2-Phenyleth-1-ynyl)benzaldehyde?

4-(2-Phenyleth-1-ynyl)benzaldehyde has molecular formula C15H10O and molecular weight 206.23900 g/mol.

What are the upstream and downstream products of 4-(2-Phenyleth-1-ynyl)benzaldehyde?

For 4-(2-Phenyleth-1-ynyl)benzaldehyde, Upstream Products: 4-Bromobenzaldehyde, Phenylacetylene, 4-Iodobenzaldehyde; Downstream Products: 4-(Phenylethynyl)benzoic acid.

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. "4-(2-Phenyleth-1-ynyl)benzaldehyde (CAS 57341-98-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-874046-3 (accessed 2026-11-09).

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