1-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene

Also known as: 1,2-bis(4-methoxyphenyl)ethyne, bis(4-methoxyphenyl)acetylene, 1,2-di(4-methoxyphenyl)ethyne, 4,4'-dimethoxydiphenylacetylene, 1-methoxy-4-(4'-methoxyphenylethynyl)benzene, p,p'-dimethoxydiphenylacetylene

1-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene (CAS 2132-62-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H14O2 and a molecular weight of 238.28100 g/mol. Key properties include a melting point of 143ºC, a boiling point of 653.4ºC at 760 mmHg, a density of 1.26g/cm3 and a flash point of 348.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2132-62-9
Jingsj CID: J-1381913-1
Molecular Formula: C₁₆H₁₄O₂
Molecular Weight: 238.28100 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	143ºC
Boiling Point	653.4ºC at 760 mmHg
Density	1.26g/cm3
Flash Point	348.9ºC
Exact Mass	238.09900
PSA	18.46000
LogP	3.10360
Vapor Pressure	7.71E-20mmHg at 25°C
Refractive Index	1.549

Customs & Trade Information

HS Code	2909309090
Summary	2909309090 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-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene?

The CAS number of 1-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene is 2132-62-9.

What are the molecular formula and molecular weight of 1-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene?

1-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene has molecular formula C16H14O2 and molecular weight 238.28100 g/mol.

What are the upstream and downstream products of 1-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene?

For 1-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene, Upstream Products: 4-Iodoanisole, Trimethylsilylacetylene, 1-Ethynyl-4-methoxybenzene; Downstream Products: 4,4'-Dimethoxystilbene, p-Anisil, Diphenyl disulfide.

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-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene (CAS 2132-62-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1381913-1 (accessed 2026-11-09).

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