Selenium dioxide for synthesis, sublimated, Sigma-Aldrich®

Supplier: Merck

Danger

Synonyms: Selenium(IV) oxide

M-Clarity™ quality level = MQ200

8.00653.0050 8.00653.0250 8.00653.1000 8.00653.0005
8.00653.0050EA 47.4 EUR
8.00653.0050 8.00653.0250 8.00653.1000 8.00653.0005
Selenium dioxide for synthesis, sublimated, Sigma-Aldrich®
Selenium dioxide
Formula: SeO₂
MW: 110,96 g/mol
Melting Pt: 315 °C
Density: 3,95 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003562
CAS Number: 7446-08-4
EINECS: 231-194-7
UN: 3283
ADR: 6.1,III
Merck Index: 13,08508

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Specification Test Results

Solubility 384 g/l (14°C)
Molar Mass 1500 kg/m3
Bulk Density 1500 kg/m3
Vapor Pressure 16 hPa (70 °C)
pH 2 (10 g/l, H2O, 20 °C)
Synonyms Selenious anhydride, Selenium(IV) oxide
Hill Formula O2Se
Chemical Formula SeO2

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