System: 2-butynedioic acid
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| 1) 2-butynedioic acid |
| DECHEMA ID | 8148 |
| Formula | C4H2O4 |
| Synonym | acetylenedicarboxylic acid |
| InChi-Key | YTIVTFGABIZHHX-UHFFFAOYSA-N |
| Registry No. | 142-45-0 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
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| density | liquid | 1 | 1 | View |
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| enthalpy of formation | gas | 1 | 1 | View |
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| enthalpy of formation | solid | 1 | 1 | View |
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| formation/decomposition temperature | - | 1 | 1 | View |
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| fusion temperature | - | 2 | 2 | View |
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| UNIQUAC area parameter | - | 1 | 1 | View |
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| UNIQUAC volume parameter | - | 1 | 1 | View |
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