1,4-Diethynylbenzene

Also known as: 1,4-Bis(ethynyl)benzene, 1,4-Diethylnylbenzene, 97%, 1,4-Diethynyl-benzene, 1,4-diacetylenebenzene, 1,4-diethynyl-benzen, 1,4-phenylene-diacetylene, Benzene, 1,4-diethynyl-, Benzene, 1,4-diethynyl- (9CI), Benzene,1,4-diethynyl, Benzene,1,4-diethynyl-, Benzene,p-diethynyl-(7CI,8CI), Diethynylbenzene, MFCD00078375, P-DIETHYNYLBENZENE, p-DIETHYNYLBENZENE, 98%p-DIETHYNYLBENZENE, 98%p-DIETHYNYLBENZENE, 98%p-DIETHYNYLBENZENE, 98%, p-Diethynylbenzene, p-diethynyl-benzen, para-diethynylbenzene

1,4-Diethynylbenzene (CAS 935-14-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H6 and a molecular weight of 126.155 g/mol. Key properties include a melting point of 94-98 °C(lit.), a boiling point of 182.8±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 51.9±16.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 935-14-8
Jingsj CID: J-43336-3
Molecular Formula: C₁₀H₆
Molecular Weight: 126.155 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	94-98 °C(lit.)
Boiling Point	182.8±23.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	51.9±16.7 °C
Exact Mass	126.046951
LogP	2.58
Vapor Pressure	1.1±0.2 mmHg at 25°C
Refractive Index	1.567

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 1,4-Diethynylbenzene?

The CAS number of 1,4-Diethynylbenzene is 935-14-8.

What are the molecular formula and molecular weight of 1,4-Diethynylbenzene?

1,4-Diethynylbenzene has molecular formula C10H6 and molecular weight 126.155 g/mol.

What are the upstream and downstream products of 1,4-Diethynylbenzene?

For 1,4-Diethynylbenzene, Upstream Products: 1,4-Bis[(trimethylsilyl)ethynyl]benzene, 1,4-Diacetylbenzene, 1,4-Diiodobenzene; Downstream Products: 1,4-Diacetylbenzene, 1-(4-Ethynylphenyl)ethanone, 1-Ethynyl-4-((4-nitrophenyl)ethynyl)benzene.

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. "1,4-Diethynylbenzene (CAS 935-14-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43336-3 (accessed 2026-11-09).

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