Propiolic acid
丙炔酸
Also known as: 2-Propynoic acid, Acetylenecarboxylic acid, Propargylic acid, Propynoic acid, prop-2-ynoic acid
- CAS No.
- 471-25-0
- Jingsj CID
- J-1095034-2
- Molecular Formula
- C3H2O2
- Chinese Name
- 丙炔酸
- Molecular Weight
- 70.047 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 16-18 °C(lit.) |
|---|---|
| Boiling Point | 139.7±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 58.9±0.0 °C |
GHS Safety & Compliance
Flammable / Corrosion / Acute ToxicitySignal word: Danger
Frequently Asked Questions
What is the CAS number of Propiolic acid?
471-25-0
What are the molecular formula and molecular weight of Propiolic acid?
C3H2O2, molecular weight 70.047 g/mol
Is Propiolic acid hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026