4-Ethynylbenzaldehyde
4-乙炔基苯甲醛
Also known as: Benzaldehyde, 4-ethynyl-, p-Ethynylbenzaldehyde, 4-Formylphenylacetylene
- CAS No.
- 63697-96-1
- Jingsj CID
- J-40272-5
- Molecular Formula
- C9H6O
- Chinese Name
- 4-乙炔基苯甲醛
- Molecular Weight
- 130.143 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 89-93ºC(lit.) |
|---|---|
| Boiling Point | 223.8±23.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 86.8±17.6 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of 4-Ethynylbenzaldehyde?
63697-96-1
What are the molecular formula and molecular weight of 4-Ethynylbenzaldehyde?
C9H6O, molecular weight 130.143 g/mol
Is 4-Ethynylbenzaldehyde hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026