dioxochromium

• ChemBase ID: 126574
• Molecular Formular: CrO2
• Molecular Mass: 83.9949
• Monoisotopic Mass: 83.93033674
• SMILES: O=[Cr]=O
• Canonical SMILES: O=[Cr]=O
• InChI: InChI=1S/Cr.2O
• InChIKey: AYTAKQFHWFYBMA-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dioxochromium
• IUPAC Traditional name: chromium dioxide
• Synonyms: Magtrieve™; Crolyn; magtrieve; Chromium(IV) oxide

Database IDs

• CAS Number: 12018-01-8
• EC Number: 234-630-4
• MDL Number: MFCD00049888
• PubChem SID: 24871674
• CHEBI ID: 48263
• Chemspider ID: 21171202
• Wikipedia Title: Chromium(IV)_oxide

CALCULATED PROPERTIES

• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): -1.1528
• LogD (pH = 7.4): -1.1528
• Log P: -1.1528
• Molar Refractivity: 2.8858 cm^3
• Polarizability: 4.5268674 Å^3
• Polar Surface Area: 34.14 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Insoluble in water
• Apperance: black tetrahedral ferromagnetic crystals; powder
• Melting Point: >375 °C (dec.)(lit.); 375°C (decomposes)
• Flash Point: Non-flammable
• Density: 4.85 g/mL at 25 °C(lit.); 4.89 g/cm^3

Safety Information

• RTECS: GB6400000
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 3
• Risk Statements: 36
• Safety Statements: 26-36
• EU Index: Not listed
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H319
• GHS Precautionary statements: P305 + P351 + P338
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves

Product Information

• Linear Formula: CrO2

DETAILS

Sigma Aldrich - 480037

Application
Facilitates high yield aromatization of Hantzsch 1,4-dihydropyridines to the corresponding pyridines.1
Packaging
25, 100 g in glass bottle
Legal Information
DuPont Product ®Reg. trademark of E.I. du Pont de Nemours & Co., Inc.
Magtrieve is a trademark of E. I. du Pont de Nemours and Company