4-ethynylbenzene-1,2-diol
4-乙炔基苯-1,2-二醇
Also known as: 1,2-Benzenediol, 4-ethynyl-, 1,2-Benzenediol, 4-ethynyl- (9CI), 4-ETHYNYL-2-HYDROXY-PHENOL, 4-Ethynyl-1,2-Benzenediol, 4-ethynyl-1,2-benzenediol, 4-ethynylbenzene-1,2-diol
4-ethynylbenzene-1,2-diol (CAS 366808-04-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H6O2 and a molecular weight of 134.13200 g/mol. It is also known as 1,2-Benzenediol, 4-ethynyl-, 1,2-Benzenediol, 4-ethynyl- (9CI) and 4-ETHYNYL-2-HYDROXY-PHENOL. Key properties include a boiling point of 288.807ºC at 760 mmHg, a density of 1.315g/cm3 and a flash point of 145.816ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 366808-04-0
- Jingsj CID
- J-1356250-2
- Molecular Formula
- C8H6O2
- Chinese Name
- 4-乙炔基苯-1,2-二醇
- Molecular Weight
- 134.13200 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 288.807ºC at 760 mmHg |
|---|---|
| Density | 1.315g/cm3 |
| Flash Point | 145.816ºC |
Frequently Asked Questions
What is the CAS number of 4-ethynylbenzene-1,2-diol?
The CAS number of 4-ethynylbenzene-1,2-diol is 366808-04-0.
What are the molecular formula and molecular weight of 4-ethynylbenzene-1,2-diol?
4-ethynylbenzene-1,2-diol has molecular formula C8H6O2 and molecular weight 134.13200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-ethynylbenzene-1,2-diol (CAS 366808-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356250-2 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.