| CAS Number | 623-47-2 |
| Catalog Description | Ethyl propiolate, 99% |
| Synonym | Ethyl acetylenecarboxylate |
| Synonym | Propiolic acid ethyl ester |
| MDL Number | MFCD00009184 |
| Linear formula | HC≡CCO2CH2CH3 |
| Master Molecular formula | C5H6O2 |
| Boiling point in C | 120° |
| Flash point in C | 25° |
| Flash point in F | 77° |
| Density | 0.968 |
| Refractive Index | 1.412 |
| Beilstein | 878250 |
| EC Number | 210-795-8 |
| Shipping | Hazardous for shipping |
| CAS Number | 623-47-2 |
| UN# | UN3272 |
| Haz Class | 3 |
| Packing Group | III |
| Signal Word | Warning |
| Pictogram code 1 |
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| Pictogram code 2 |
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| H Phrases | H226-H315-H319-H335 |
| P Phrases | P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A |
| TSCA | No |
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