| CAS Number | 693-02-7 |
| Catalog Description | 1-Hexyne, 98% |
| Synonym | n-Butylacetylene |
| MDL Number | MFCD00009504 |
| Linear formula | CH3(CH2)3C≡CH |
| Master Molecular formula | C6H10 |
| Melting point in C | -132° |
| Boiling point in C | 71-72° |
| Flash point in C | -20° |
| Flash point in F | -4° |
| Density | 0.715 |
| Refractive Index | 1.399 |
| Beilstein | 635687 |
| EC Number | 211-736-9 |
| Shipping | Hazardous for shipping |
| CAS Number | 693-02-7 |
| UN# | UN3295 |
| Haz Class | 3 |
| Packing Group | II |
| Signal Word | Danger |
| Pictogram code 1 |
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| Pictogram code 2 |
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| H Phrases | H225-H304 |
| P Phrases | P210-P241-P301+P310-P303+P361+P353-P405-P501A |
| TSCA | Yes |
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