Oxalic Acid Dihydrate

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)
Impurity Content	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)