| CAS Number | 927-74-2 |
| Catalog Description | 3-Butyn-1-ol, 98% |
| Synonym | 4-Hydroxy-1-butyne |
| MDL Number | MFCD00002955 |
| Linear formula | HC≡CCH2CH2OH |
| Master Molecular formula | C4H6O |
| Melting point in C | -64° |
| Boiling point in C | 129° |
| Flash point in C | 36° |
| Flash point in F | 97° |
| Density | 0.926 |
| Refractive Index | 1.441 |
| Beilstein | 773710 |
| EC Number | 213-161-9 |
| Shipping | Hazardous for shipping |
| CAS Number | 927-74-2 |
| UN# | UN1987 |
| 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 | Yes |
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