97%
solid
1300 °C (lit.)
[K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O
1S/4K.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4
RYCLIXPGLDDLTM-UHFFFAOYSA-J
Warning
Eye Irrit. 2
13 - Non Combustible Solids
WGK 1
dust mask type N95 (US), Eyeshields, Gloves