4,4'-(1,2-ethynediyl)dibenzonitrile

Also known as: 4,4'-(Acetylene-1,2-diyl)dibenzonitrile, 4,4'-(E)-Ethene-1,2-diyldibenzonitrile, 4,4'-(Ethene-1,2-diyl)dibenzonitrile, 4,4'-DICYANOSTILBENE, 4,4'-Dicyanostilbene, 4,4'-dicyano phenylethynylene, 4,4'-ethynediyl-dibenzonitrile, 4,4'-ethynediyl-di-benzonitrile, 4,4'-(1,2-ethynediyl)bis-benzonitrile, Benzonitrile,4,4'-(1,2-ethynediyl)bis-, 4,4'-dicyanodiphenylacetylene

4,4'-(1,2-ethynediyl)dibenzonitrile (CAS 5216-36-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H10N2 and a molecular weight of 230.26400 g/mol. Key properties include a boiling point of 445ºC at 760 mmHg, a density of 1.17g/cm3 and a flash point of 218.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5216-36-4
Jingsj CID: J-1517162-7
Molecular Formula: C₁₆H₁₀N₂
Molecular Weight: 230.26400 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	445ºC at 760 mmHg
Density	1.17g/cm3
Flash Point	218.6ºC
Exact Mass	230.08400
PSA	47.58000
LogP	3.60036
Refractive Index	1.63
Storage Conditions	2-8℃

Customs & Trade Information

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,4'-(1,2-ethynediyl)dibenzonitrile?

The CAS number of 4,4'-(1,2-ethynediyl)dibenzonitrile is 5216-36-4.

What are the molecular formula and molecular weight of 4,4'-(1,2-ethynediyl)dibenzonitrile?

4,4'-(1,2-ethynediyl)dibenzonitrile has molecular formula C16H10N2 and molecular weight 230.26400 g/mol.

What are the upstream and downstream products of 4,4'-(1,2-ethynediyl)dibenzonitrile?

For 4,4'-(1,2-ethynediyl)dibenzonitrile, Upstream Products: 4-Iodobenzonitrile, Bis(trimethylsilyl)acetylene, 4-Cyanophenyl trifluoromethanesulfonate.

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. "4,4'-(1,2-ethynediyl)dibenzonitrile (CAS 5216-36-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517162-7 (accessed 2026-11-09).

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