97%
300 °C (lit.)
[K+].[O-]C(=O)C1=NC(=O)NC(=O)N1
1S/C4H3N3O4.K/c8-2(9)1-5-3(10)7-4(11)6-1;/h(H,8,9)(H2,5,6,7,10,11);/q;+1/p-1
IAPCTXZQXAVYNG-UHFFFAOYSA-M
13 - Non Combustible Solids
WGK 3
Eyeshields, Gloves, type N95 (US)