Potassium hypochromate

Potassium hypochromate
Names
	Other names Potassium chromate(V);
Identifiers
3D model (JSmol)	Interactive image;
	SMILES O=[Mn-3](=O)(=O)=O.[K+].[K+].[K+];
Properties
Chemical formula	K3CrO4
Molar mass	233.2886 g/mol
Appearance	Green solid
Melting point	1,000 °C (1,830 °F; 1,270 K) (decomposes)
Solubility in water	Soluble, decomposes (25 °C)
Structure
Crystal structure	Similar to potassium hypomanganate
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	-370 ± 2 kcal mol−1
Hazards
Flash point	Not flammable
Related compounds
Other anions	Potassium hypomanganate
Other cations	Sodium hypochromate
Related chromates	Potassium chromate; Potassium perchromate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Potassium hypochromate is a chemical compound with the formula K₃CrO₄ with the unusual Cr⁵⁺ ion. This compound is unstable in water but stable in alkaline solution and was found to have a similar crystal structure to potassium hypomanganate.

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