| CAS Number | 471-25-0 |
| Catalog Description | Propiolic acid, 98% |
| Synonym | Acetylenecarboxylic acid |
| Synonym | Propargylic acid |
| MDL Number | MFCD00004360 |
| Linear formula | HC≡CCOOH |
| Master Molecular formula | C3H2O2 |
| Melting point in C | 16-18° |
| Boiling point in C | 102°/200 mmHg |
| Flash point in C | 58° |
| Flash point in F | 136° |
| Density | 1.138 |
| Refractive Index | 1.431 |
| Merck Number | 14,7824 |
| Beilstein | 878176 |
| EC Number | 207-437-8 |
| Shipping | Hazardous for shipping |
| CAS Number | 471-25-0 |
| UN# | UN2920 |
| Haz Class | 8 (3) |
| Packing Group | II |
| Signal Word | Danger |
| Pictogram code 1 |
|
| Pictogram code 2 |
|
| Pictogram code 3 |
|
| H Phrases | H301-H310-H314-H318-H226 |
| P Phrases | P210-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A |
| TSCA | Yes |
| Please ensure POPUPS are enabled in your browser or certs will not appear | |||