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| Description | Oxalic acid dihydrate is a promising candidate as a phase change material (PCM) for use in thermal energy storage (TES) technology due to its high heat of fusion and energy storage density/price ratio in comparison to other salt hydrates PCMs. |
|---|---|
| Molecular Weight | 126.07 |
| Molecular Formula | C2H6O6 |
| Canonical SMILES | [H]O[H].[H]O[H].OC(=O)C(O)=O |
| InChI | 1S/C2H₂O4.2H₂O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2 |
| InChI Key | GEVPUGOOGXGPIO-UHFFFAOYSA-N |
| Melting Point | 104-106 °C(lit.) |
| Flash Point | 157°C |
| Purity | 99% |
| Density | 1.65 g/cm³ |
| Application | As a catalyst in the preparation of tetrahydroquinoline derivatives via imino Diels-Alder reaction. As a homogeneous catalyst in the preparation of highly functionalized piperidines via multi-component reaction. As an oxidant for the formation of triazolinediones from corresponding urazoles and bisurazoles via oxidation. In the transformation of thiols to nitrosothiols by reacting with sodium nitrite. |
| Storage | room temp |
| Assay | ≥99% 99.5-102.5% (ACS specification) |
| Impurities | H₂SO₄, passes test (darkened) ≤0.001% N compounds ≤0.005% insolubles |
| MDL Number | MFCD00149102 |
| NACRES | NA.21 |
| Packaging | 100, 500 g in poly bottle 2.5 kg in poly bottle |
| Quality Level | 200 |
| Vapor Pressure | <0.01 mmHg ( 20 °C) |
