Brown to Brown-Black powder or crystals
room temp
1S/Fe.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)
MVZXTUSAYBWAAM-UHFFFAOYSA-N
Danger
Carc. 1B - Skin Sens. 1
6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK 3