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1-Ethynyl-4-methoxybenzene

Also known as: 4-Ethynylanisole, 4-Methoxyphenylacetylene, 4-Methoxyphenylethyne, p-Methoxyphenylacetylene, p-Methoxyphenylethyne, Anisylacetylene, 1-Eth-1-ynyl-4-methoxybenzene, 4-Ethynylmethoxybenzene, 4-Ethynylphenyl methyl ether, Benzene, 1-ethynyl-4-methoxy-

1-Ethynyl-4-methoxybenzene (CAS 768-60-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H8O and a molecular weight of 132.16 g/mol. Key properties include a melting point of 28-29 °C(lit.), a boiling point of 194.8±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 63.5±18.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
768-60-5
Jingsj CID
J-5331-6
Molecular Formula
C9H8O
Molecular Weight
132.16 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point28-29 °C(lit.)
Boiling Point194.8±23.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point63.5±18.3 °C
Exact Mass132.057510
PSA9.23000
LogP2.32
Vapor Pressure0.6±0.4 mmHg at 25°C
Refractive Index1.530

Customs & Trade Information

HS Code2909309090
Summary2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

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

The CAS number of 1-Ethynyl-4-methoxybenzene is 768-60-5.

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

1-Ethynyl-4-methoxybenzene has molecular formula C9H8O and molecular weight 132.16 g/mol.

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

For 1-Ethynyl-4-methoxybenzene, Upstream Products: [(4-Methoxyphenyl)ethynyl]trimethylsilane, 4-Iodoanisole, Trimethylsilylacetylene; Downstream Products: N-Methyl-2-(4-methoxyphenyl)ethylamine, 4-Methoxybenzoic acid, 4'-Methoxyflavone.

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

Last updated:

How to cite: Jingsj. "1-Ethynyl-4-methoxybenzene (CAS 768-60-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5331-6 (accessed 2026-11-09).

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