Potassium selenate

Potassium selenate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.286
EC Number
  • 232-214-7
RTECS number
  • VS6600000
UNII
  • InChI=1S/2K.H2O4Se/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
    Key: YAZJAPBTUDGMKO-UHFFFAOYSA-L
  • [K+].[K+].[O-][Se]([O-])(=O)=O
Properties
K
2SeO
4
Molar mass 221.2 g/mol
Appearance colorless crystals
hygroscopic
Odor odorless
Density 3.07 g/cm3
1.07 g/ml (0 °C)
1.11 g/ml (20 °C)
1.22 g/ml (100 °C)
1.539
Structure
orthorhombic
Hazards
GHS labelling:[1]
Warning
H301, H331, H373, H410
P260, P264, P270, P271, P273, P301+P316, P304+P340, P316, P319, P321, P330, P391, P403+P233, P405, P501
Preview warning: Omit Rules: keep P260, omit P261
NFPA 704 (fire diamond)
3
1
0
Related compounds
Other anions
 Potassium sulfate
Other cations
 Sodium selenate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Potassium selenate, K
2SeO
4, is an odorless, white solid that forms as the potassium salt of selenic acid.

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