5-Ethynylbenzene-1,3-diol
5-乙炔基苯-1,3-二醇
Also known as: 1,3-Benzenediol, 5-ethynyl-, 1,3-Benzenediol, 5-ethynyl- (9CI), 5-Ethynyl-1,3-benzenediol, 1-ethynyl-3,5-dihydroxybenzene, 3,5-dihydroxyphenylacetylene
5-Ethynylbenzene-1,3-diol (CAS 145078-84-8) 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 1,3-Benzenediol, 5-ethynyl-, 1,3-Benzenediol, 5-ethynyl- (9CI) and 5-Ethynyl-1,3-benzenediol. Key properties include a boiling point of 282.0±10.0 °C(Predicted) and a density of 1.31±0.1 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 145078-84-8
- Jingsj CID
- J-1388950-4
- Molecular Formula
- C8H6O2
- Chinese Name
- 5-乙炔基苯-1,3-二醇
- 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 | 282.0±10.0 °C(Predicted) |
|---|---|
| Density | 1.31±0.1 g/cm3(Predicted) |
Frequently Asked Questions
What is the CAS number of 5-Ethynylbenzene-1,3-diol?
The CAS number of 5-Ethynylbenzene-1,3-diol is 145078-84-8.
What are the molecular formula and molecular weight of 5-Ethynylbenzene-1,3-diol?
5-Ethynylbenzene-1,3-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. "5-Ethynylbenzene-1,3-diol (CAS 145078-84-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1388950-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.