200
98%
solid
70 °C (dec.) (lit.)
3.004 g/mL at 25 °C (lit.)
O[Se](O)=O
1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)
MCAHWIHFGHIESP-UHFFFAOYSA-N
Danger
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2
6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 3
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges