2-ethynyl-naphtalene
2-乙炔基-萘
Also known as: (2-Naphtyl)acetylene, (2-naphthyl)acetylene, 2-(2-naphthyl)acetylene, 2-(ethynyl)naphthalene, 2-Ethynyl Naphtalene, 2-Ethynyl-naphthalene, 2-Ethynylnaphthalene, 2-Ethynylnaphthalene 98%, 2-Ethynylnaphthalene>2-ETHYNYL-NAPHTHALENE, 2-ethynylnaphthalene, NAPHTHYLENE-2-ACETYLENE, Naphthalene, 2-ethynyl-, Naphthalene,2-ethynyl, Naphthylene-2-acetylene
2-ethynyl-naphtalene (CAS 2949-26-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8 and a molecular weight of 152.192 g/mol. It is also known as (2-Naphtyl)acetylene, (2-naphthyl)acetylene and 2-(2-naphthyl)acetylene. Key properties include a melting point of 42 °C, a boiling point of 270.4±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 106.3±12.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2949-26-0
- Jingsj CID
- J-1378960-4
- Molecular Formula
- C12H8
- Chinese Name
- 2-乙炔基-萘
- Molecular Weight
- 152.192 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 42 °C |
|---|---|
| Boiling Point | 270.4±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 106.3±12.9 °C |
Frequently Asked Questions
What is the CAS number of 2-ethynyl-naphtalene?
The CAS number of 2-ethynyl-naphtalene is 2949-26-0.
What are the molecular formula and molecular weight of 2-ethynyl-naphtalene?
2-ethynyl-naphtalene has molecular formula C12H8 and molecular weight 152.192 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-ethynyl-naphtalene (CAS 2949-26-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1378960-4 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.