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Features
CAS No.: | 12018-01-8 |
Linear Formula: | CrO2 |
Purity: | 99% - 99.999% |
Appearance: | Black powder or crystals |
Chromium(IV) Oxide Description
Chromium(IV) oxide or chromium dioxide is a highly insoluble thermally stable chromium source suitable for glass, optic and ceramic applications. Additionally, chomium dioxide is a magnetically retrievable crystalline selective oxidant for simple alcohols and hydrocarbons and is used in some magnetic data storage tapes.
Oxide compounds are not conductive to electricity. However, certain perovskite structured oxides are electronically conductive finding application in the cathode of solid oxide fuel cells and oxygen generation systems. They are compounds containing at least one oxygen anion and one metallic cation. They are typically insoluble in aqueous solutions (water) and extremely stable making them useful in ceramic structures as simple as producing clay bowls to advanced electronics and in light weight structural components in aerospace and electrochemical applications such as fuel cells in which they exhibit ionic conductivity. Metal oxide compounds are basic anhydrides and can therefore react with acids and with strong reducing agents in redox reactions.
Chromium(IV) Oxide Applications and Related Industries
● Glass
● Optic
● Ceramic
● Audiotapes
● Phonograph records
● Memory devices
● Permanent magnets
● Catalyst
● Chemical Manufacturing
● Research & Laboratory
Chemical Identifiers
Linear Formula | CrO2 |
MDL Number | MFCD00049888 |
EC No. | 234-630-4 |
Beilstein/Reaxys No. | N/A |
Pubchem CID | N/A |
IUPAC Name | oxo-(oxochromiooxy) chromium |
SMILES | Dioxochromium |
InchI Identifier | InChI=1S/Cr.2O |
InchI Key | AYTAKQFHWFYBMA-UHFFFAOYSA-N |
Chromium(IV) Oxide Properties (Theoretical)
Compound Formula | CrO2 |
Molecular Weight | 83.9949 |
Appearance | Black powder or crystals |
Melting Point | >375 °C |
Boiling Point | 4000 °C (7232 °F) |
Density | 4.85 g/cm3 |
Solubility in H2O | N/A |
Exact Mass | 83.994904 |
Monoisotopic Mass | 83.930344 |
Chromium(IV) Oxide Health & Safety Information
Signal Word | Danger |
Hazard Statements | H271-H301 + H311-H314-H317-H330-H334-H340-H350-H361f-H372-H410 |
Hazard Codes | Xi |
Precautionary Statements | P201-P210-P260-P280-P284-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P308 + P313-P371 + P380 + P375-P403 + P233 |
Flash Point | Not applicable |
Risk Codes | 36 |
Safety Statements | 26-36 |
RTECS Number | GB6650000 |
Transport Information | UN 1463 8(6.1)(5.1) / PGII |
WGK Germany | 3 |
GHS Pictograms | GHS03 Oxidizer
GHS05 Corrosive
|
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