| Product Name | Propiolic acid |
| CAS No. | 471-25-0 |
| Synonyms | 2-Propynoic acid; Acetylenecarboxylic acid~Propargylic acid~Propynoic acid; Propargylic acid; Propiolic acid, (Propynoic acid); prop-2-ynoic acid; prop-2-ynoate; Propynoic acid |
| InChI | InChI=1/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)/p-1 |
| Molecular Formula | C3HO2 |
| Molecular Weight | 69.0394 |
| Melting point | 16℃ |
| Boiling point | 139.7°C at 760 mmHg |
| Flash point | 58.9°C |
| Water solubility | miscible |
| Hazard Symbols |  T:Toxic; |
| Risk Codes | R25:; R34:; |
| Safety | S24/25:; S45:; |
471-25-0 propiolic acid
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