4-Heptyn-2-ol
4-庚炔-2-醇
Also known as: 4-Heptyn-2-ol, Methyl 2-pentynyl carbinol, Hept-4-yn-2-ol, 4-HEPTYN-2-OL
4-Heptyn-2-ol (CAS 19781-81-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H12O and a molecular weight of 112.170 g/mol. It is also known as Methyl 2-pentynyl carbinol, Hept-4-yn-2-ol and 4-HEPTYN-2-OL. Key properties include a boiling point of 188.5±13.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 77.8±12.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19781-81-8
- Jingsj CID
- J-47305-9
- Molecular Formula
- C7H12O
- Chinese Name
- 4-庚炔-2-醇
- Molecular Weight
- 112.170 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 188.5±13.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 77.8±12.8 °C |
Frequently Asked Questions
What is the CAS number of 4-Heptyn-2-ol?
The CAS number of 4-Heptyn-2-ol is 19781-81-8.
What are the molecular formula and molecular weight of 4-Heptyn-2-ol?
4-Heptyn-2-ol has molecular formula C7H12O and molecular weight 112.170 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Heptyn-2-ol (CAS 19781-81-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47305-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.