1,3,5-Tris(Phenylethynyl)Benzene
Also known as: 1,3,5-TRIS(PHENYLETHYNYL)BENZENE, 1,3,5-Tri(phenylethynyl)benzene, 1,3,5-tris(2-phenylethynyl)benzene, 1,3,5-tris(phenylethynyl)benzene, Benzene,1,3,5-tris(2-phenylethynyl), Benzene,1,3,5-tris(2-phenylethynyl)-, Benzene,1,3,5-tris(phenylethynyl), Trisphenylethynylbenzene, sym-Triphenethynylbenzene
1,3,5-Tris(Phenylethynyl)Benzene (CAS 118688-56-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C30H18 and a molecular weight of 378.46400 g/mol. Key properties include a boiling point of 603.2ºC at 760mmHg, a density of 1.19g/cm3 and a flash point of 319.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 118688-56-5
- Jingsj CID
- J-1388702-0
- Molecular Formula
- C30H18
- Molecular Weight
- 378.46400 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 603.2ºC at 760mmHg |
|---|---|
| Density | 1.19g/cm3 |
| Flash Point | 319.2ºC |
| Exact Mass | 378.14100 |
| LogP | 5.88600 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.705 |
Frequently Asked Questions
What is the CAS number of 1,3,5-Tris(Phenylethynyl)Benzene?
The CAS number of 1,3,5-Tris(Phenylethynyl)Benzene is 118688-56-5.
What are the molecular formula and molecular weight of 1,3,5-Tris(Phenylethynyl)Benzene?
1,3,5-Tris(Phenylethynyl)Benzene has molecular formula C30H18 and molecular weight 378.46400 g/mol.
What are the upstream and downstream products of 1,3,5-Tris(Phenylethynyl)Benzene?
For 1,3,5-Tris(Phenylethynyl)Benzene, Upstream Products: 1,3,5-Tribromobenzene, Phenylacetylene, 2-Methyl-4-phenyl-3-butyn-2-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3,5-Tris(Phenylethynyl)Benzene (CAS 118688-56-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1388702-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.