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Cas Database |
| Name |
Chromium oxide (CrO2) |
EINECS | 234-630-4 |
| CAS No. | 12018-01-8 | Density | 4.89 g/cm3 |
| PSA | 34.14000 | LogP | -0.23760 |
| Solubility | Insoluble in water | Melting Point |
375°C (decomposes) |
| Formula | CrO2 | Boiling Point | N/A |
| Molecular Weight | 83.9948 | Flash Point | N/A |
| Transport Information | N/A | Appearance | black tetrahedral ferromagnetic crystals |
| Safety | 26-36 | Risk Codes | 36 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
accroxc;accroxr;Chromium oxide (CrO2);chromium(iv)dioxide;chromiumdioxide;chromiumdioxide(cro2);chromiumoxide(cro2);CrO2 |
Article Data | 1 |
Chromium oxide (CrO2) Synthetic route
- 199620-14-9, 13007-92-6
chromium(0) hexacarbonyl
- 12018-01-8
chromium dioxide
| Conditions | Yield |
|---|---|
| With oxygen In gaseous matrix Irradiation (UV/VIS); irradiation in O2-doped argon matrices at ca. 12K for 275 min;; determined by IR-spectroscopy; |
- 12018-01-8
chromium dioxide
- 5731-17-9
1-(Phenylmethyl)-3-pyrrolidinemethanol
| Conditions | Yield |
|---|---|
| With carbon dioxide In sulfuric acid; water |
Chromium oxide (CrO2) Specification
The Chromium oxide (CrO2), with the CAS registry number 12018-01-8, is also known as Accrox C. It belongs to the product categories of Selective Oxidant; Chromium Salts; Metal and Ceramic Science; Salts. Its EINECS registry number is 234-630-4. This chemical's molecular formula is CrO2 and molecular weight is 83.99. Its systematic name is called dioxochromium. What's more, this chemical is The product should be sealed and stored in cool and dry place. Chromium dioxide or chromium(IV) oxide is a synthetic magnetic substance once widely used in magnetic tape emulsion. However, it is still used in data tape applications for enterprise-class storage systems. It is still considered today by many oxide and tape manufacturers to have been the most perfect magnetic recording particulate ever invented.
Physical properties of Chromium oxide (CrO2): (1)#H bond acceptors: 2; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 34.14 Å2.
Preparation: this chemical can be prepared by chromium anhydride. This reaction will need reagents antimony trioxide, γ-Fe and chromium trioxide.
When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing.
You can still convert the following datas into molecular structure:
(1)SMILES: O=[Cr]=O
(2)InChI: InChI=1/Cr.2O/rCrO2/c2-1-3
(3)InChIKey: AYTAKQFHWFYBMA-QAVXBIOBAI
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