1-Ethynyl-4-propylbenzene

Also known as: 1-ETHYNYL-4-PROPYL-BENZENE, 1-Eth-1-ynyl-4-propylbenzene, 1-Ethynyl-4-n-propylbenzene, 4-Ethynylpropylbenzene, 4-N-PROPYLPHENYLACETYLENE, 4-PROPYLPHENYLACETYLENE, 4-Propylphenyl acetylene, 4-Propylphenylacetylen (1-Eth-1-ynyl-4-propylbenzene), 4-Propylphenylacetylene, Benzene, 1-ethynyl-4-propyl-, MFCD00173886, P-PROPYLETHYNYLBENZENE, P-PROPYLPHENYLACETYLENE

1-Ethynyl-4-propylbenzene (CAS 62452-73-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H12 and a molecular weight of 144.213 g/mol. Key properties include a boiling point of 204.9±19.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 67.1±15.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 62452-73-7
Jingsj CID: J-2648-2
Molecular Formula: C₁₁H₁₂
Molecular Weight: 144.213 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	204.9±19.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	67.1±15.6 °C
Exact Mass	144.093903
LogP	3.92
Vapor Pressure	0.4±0.2 mmHg at 25°C
Refractive Index	1.521

Customs & Trade Information

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Ethynyl-4-propylbenzene?

The CAS number of 1-Ethynyl-4-propylbenzene is 62452-73-7.

What are the molecular formula and molecular weight of 1-Ethynyl-4-propylbenzene?

1-Ethynyl-4-propylbenzene has molecular formula C11H12 and molecular weight 144.213 g/mol.

What are the upstream and downstream products of 1-Ethynyl-4-propylbenzene?

For 1-Ethynyl-4-propylbenzene, Upstream Products: 4-propylbenzaldehyde; Downstream Products: 1-(4-Propylphenyl)ethan-1-one.

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. "1-Ethynyl-4-propylbenzene (CAS 62452-73-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2648-2 (accessed 2026-11-09).

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