Chromium(VI) oxide for synthesis, Sigma-Aldrich®

Supplier: Merck
Danger

Synonyms: Chromic anhydride, Chromium trioxide

M-Clarity™ quality level = MQ200

8.22266.0100 8.22266.1000 8.22266.9025
8.22266.0100EA 34 GBP
8.22266.0100 8.22266.1000 8.22266.9025
Chromium(VI) oxide for synthesis, Sigma-Aldrich®
Chromium (VI) oxide
Formula: CrO₃
MW: 99,99 g/mol
Melting Pt: 195 °C
Density: 2,7 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00010952
CAS Number: 1333-82-0
EINECS: 215-607-8
UN: 1463
ADR: 5.1 (6.1, 8),II
REACH: 01-2119458868-17
Merck Index: 13,02256

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Specification Test Results

Hill Formula CrO₃
Molar Mass 99.99 g/mol
Density 2.7 g/cm³ (20 °C)
Melting Point 197 °C
pH value  - 1 (100 g/l, H₂O, 20 °C)
Bulk density 900 kg/m³
Solubility 1854 g/l (20 °C)
Storage class 5.1A Strongly oxidizing hazardous materials
WGK WGK 3 highly water endangering
R Phrase R 45-46- 9-24/25-26-35-42/43-48/23-50/53-62
S Phrase S 53-45-60-61

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