Determine the necessary mass, volume, or concentration for preparing a solution.
≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488190796 |
|---|---|
| Canonical Smiles | C1=CC=C(C=C1)C#CC2=CC=C(C=C2)C#CC3=CC=CC=C3 |
| IUPAC Name | 1,4-bis(2-phenylethynyl)benzene |
| InChIKey | FPVSTPLZJLYNMB-UHFFFAOYSA-N |
| INCHI | 1S/C22H14/c1-3-7-19(8-4-1)11-13-21-15-17-22(18-16-21)14-12-20-9-5-2-6-10-20/h1-10,15-18H |
| Isomeric SMILES | C1=CC=C(C=C1)C#CC2=CC=C(C=C2)C#CC3=CC=CC=C3 |
| Molecular Weight | 278.357 |
| Reaxy-Rn | 1880408 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1880408&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Benzene and substituted derivatives |
| Alternative Parents | Aromatic hydrocarbons Acetylenes |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Monocyclic benzene moiety - Aromatic hydrocarbon - Unsaturated hydrocarbon - Acetylene - Hydrocarbon - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Jan 21, 2026 | B168110 | |
| Certificate of Analysis | Jan 21, 2026 | B168110 | |
| Certificate of Analysis | Oct 29, 2025 | B168110 | |
| Certificate of Analysis | Oct 29, 2025 | B168110 | |
| Certificate of Analysis | Oct 29, 2025 | B168110 | |
| Certificate of Analysis | Oct 29, 2025 | B168110 | |
| Certificate of Analysis | Oct 29, 2025 | B168110 | |
| Certificate of Analysis | Oct 29, 2025 | B168110 | |
| Certificate of Analysis | Feb 10, 2025 | B168110 | |
| Certificate of Analysis | Feb 10, 2025 | B168110 | |
| Certificate of Analysis | Feb 10, 2025 | B168110 | |
| Certificate of Analysis | Feb 02, 2023 | B168110 | |
| Certificate of Analysis | Feb 02, 2023 | B168110 | |
| Certificate of Analysis | Feb 02, 2023 | B168110 |
| Melt Point(°C) | 176-178℃ |
|---|---|
| Molecular Weight | 278.300 g/mol |
| XLogP3 | 6.800 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 4 |
| Exact Mass | 278.11 Da |
| Monoisotopic Mass | 278.11 Da |
| Topological Polar Surface Area | 0.000 Ų |
| Heavy Atom Count | 22 |
| Formal Charge | 0 |
| Complexity | 407.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Lei Yu, Shuyong Li, Bo Liu, Shuai Liu, Junjie Sheng, Yinyong Ao. (2023) Determination of hydrogen gas by 1,4-bis(phenylethynyl)benzene hydrogenation coupled with gas chromatography-mass spectrometry. TALANTA, [PMID:37579677] [10.1016/j.talanta.2023.125071] |
| 2. Lei Yu, Bo Liu, Pucheng Wang, Shuai Liu, Junjie Sheng, Yinyong Ao. (2025) Quantitative Analysis of Hydrogen Mass Fraction in Catalytically Reacted 1,4-Bis(phenylethynyl)benzene by Gas Chromatography-Mass Spectrometry. JOURNAL OF CHROMATOGRAPHY A, [PMID:40730022] [10.1016/j.chroma.2025.466247] |
| 3. Taiping Fu, Zekun Jing, Xinrong Yan, Yongsheng Li, Biye Niu, Zhanpeng Ye, Yufeng Liu, Yakun Guo, Maobing Shuai. (2026) Highly Efficient Hydrogenation of Solid Polycyclic Aromatic Hydrocarbons at Mild Temperature by the Ru–Rh Alloy Catalyst. ACS Applied Materials & Interfaces, [PMID:] [10.1021/acsami.6c00517] |