4-Ethynyl-4'-pentylbiphenyl
Also known as: 1,1'-Biphenyl, 4-ethynyl-4'-pentyl-, 1,1'-biphenyl,4-ethynyl-4'-pentyl, 1-ethynyl-4-(4-pentylphenyl)benzene, 4-ETHYNYL-4'-PENTYL-1,1'-BIPHENYL, 4-Ethynyl-4'-pentyl-1,1'-biphenyl, 4-Pentyl-4'-ethynyl-1,1'-biphenyl, 4-ethynyl-4'-n-pentylbiphenyl, 4-ethynyl-4'-pentylbiphenyl, 4-pentyl biphenyl acetylene
4-Ethynyl-4'-pentylbiphenyl (CAS 80563-43-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H20 and a molecular weight of 248.362 g/mol. Key properties include a boiling point of 363.2±31.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 168.9±19.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 80563-43-5
- Jingsj CID
- J-1365859-8
- Molecular Formula
- C19H20
- Molecular Weight
- 248.362 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 363.2±31.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 168.9±19.0 °C |
| Exact Mass | 248.156494 |
| LogP | 6.74 |
| Vapor Pressure | 0.0±0.4 mmHg at 25°C |
| Refractive Index | 1.570 |
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 4-Ethynyl-4'-pentylbiphenyl?
The CAS number of 4-Ethynyl-4'-pentylbiphenyl is 80563-43-5.
What are the molecular formula and molecular weight of 4-Ethynyl-4'-pentylbiphenyl?
4-Ethynyl-4'-pentylbiphenyl has molecular formula C19H20 and molecular weight 248.362 g/mol.
What are the upstream and downstream products of 4-Ethynyl-4'-pentylbiphenyl?
For 4-Ethynyl-4'-pentylbiphenyl, Upstream Products: 1-Bromopentane, 4-Bromobiphenyl, 4-pentyl-4'-iodobiphenyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Ethynyl-4'-pentylbiphenyl (CAS 80563-43-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1365859-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.