Selenium dioxide

O2SeCAS 7446-08-4110.97 g/mol

OSeO

Properties

Molecular formula
O2Se
Molar mass
110.97 g/mol
Exact mass
111.9064 Da
Density
3.954 g/mL (at 15 °C)
Melting point
340 °C
Water solubility
400 g/L (20 °C)
logP
-0.62Crippen estimate
Polar surface area
34.1 Ų
H-bond donors / acceptors
0 / 2
Rotatable bonds
0

Hazards

Danger
Corrosive (GHS05)Acute Toxic (GHS06)Health Hazard (GHS08)Environmental Hazard (GHS09)

Aggregated from 264 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P260, P261, P264, P264+P265, P270, P271, P273, P280, P301+P316, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P330, P363, P391, P403+P233, P405, P501

Identifiers

CAS number
7446-08-4
SMILES
O=[Se]=O
InChIKey
JPJALAQPGMAKDF-UHFFFAOYSA-N
InChI
InChI=1S/O2Se/c1-3-2

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Names and synonyms

3 names
  • Selenium oxide (SeO2)
  • NSC 56753
  • Selenium(IV) oxide

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