| CAS Number | 110-65-6 |
| Catalog Description | 2-Butyne-1,4-diol, 98% |
| Synonym | 1,4-Dihydroxy-2-butyne |
| MDL Number | MFCD00002915 |
| Linear formula | HOCH2C≡CCH2OH |
| Master Molecular formula | C4H6O2 |
| Melting point in C | 53-58° |
| Boiling point in C | 238° |
| Flash point in C | 152° |
| Flash point in F | 306° |
| Beilstein | 1071237 |
| EC Number | 203-788-6 |
| Shipping | Hazardous for shipping |
| CAS Number | 110-65-6 |
| UN# | UN2716 |
| Haz Class | 6.1 |
| Packing Group | III |
| Signal Word | Danger |
| Pictogram code 1 |
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| Pictogram code 2 |
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| Pictogram code 3 |
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| H Phrases | H301-H331-H312-H317-H314-H373 |
| P Phrases | P260-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A |
| TSCA | Yes |
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