Acetylenedicarboxylic Acid
Request a quote| Catalog Number | ACM142450 |
| CAS | 142-45-0 |
| Structure | ![{[CurrentData.Name]}](https://resource.alfa-chemistry.com/structure/142-45-0.gif) |
| IUPAC Name | but-2-ynedioic acid |
| Synonyms | 2-ButynedioicAcid |
| Molecular Weight | 114.06 |
| Molecular Formula | C4H2O4 |
| Canonical SMILES | C(#CC(=O)O)C(=O)O |
| Inchi | InChI=1S/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8) |
| InChIKey | YTIVTFGABIZHHX-UHFFFAOYSA-N |
| Boiling Point | 362.4 °C at 760 mmHg |
| Melting Point | 178 °C |
| Flash Point | 131 °C |
| Purity | 98% |
| Density | 1.1794 (rough estimate) |
| Appearance | White to Light yellow powder to crystal |
| Storage | Store under inert gas |
| Refractive Index | 1.5260 (estimate) |
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