4-Ethynylphenol
Also known as: 4-Hydroxyphenylacetylene, p-ethynylphenol, 4-ethynyl-phenol, Phenol, 4-ethynyl-
4-Ethynylphenol (CAS 2200-91-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H6O and a molecular weight of 118.13300 g/mol. Key properties include a boiling point of 216.2ºC at 760 mmHg, a density of 1.12g/cm3 and a flash point of 97ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2200-91-1
- Jingsj CID
- J-1355899-1
- Molecular Formula
- C8H6O
- Molecular Weight
- 118.13300 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 216.2ºC at 760 mmHg |
|---|---|
| Density | 1.12g/cm3 |
| Flash Point | 97ºC |
| Exact Mass | 118.04200 |
| PSA | 20.23000 |
| LogP | 1.37350 |
| Vapor Pressure | 0.0968mmHg at 25°C |
| Refractive Index | 1.589 |
Frequently Asked Questions
What is the CAS number of 4-Ethynylphenol?
The CAS number of 4-Ethynylphenol is 2200-91-1.
What are the molecular formula and molecular weight of 4-Ethynylphenol?
4-Ethynylphenol has molecular formula C8H6O and molecular weight 118.13300 g/mol.
What are the upstream and downstream products of 4-Ethynylphenol?
For 4-Ethynylphenol, Upstream Products: 4-[(Trimethylsilyl)ethynyl]phenol, 4-Iodophenol, Tributyl(ethynyl)stannane; Downstream Products: 4-Hydroxybenzoic acid, 4-((4-((Trimethylsilyl)ethynyl)phenyl)ethynyl)phenol.
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-Ethynylphenol (CAS 2200-91-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355899-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.