[(hydroxydioxochromio)oxy]chromiumoylol potassium

• ChemBase ID: 105867
• Molecular Formular: Cr2H2KO7
• Molecular Mass: 257.10218
• Monoisotopic Mass: 256.82477408
• SMILES: [K].O[Cr](=O)(=O)O[Cr](=O)(=O)O
• Canonical SMILES: O[Cr](=O)(=O)O[Cr](=O)(=O)O.[K]
• InChI: InChI=1S/2Cr.K.2H2O.5O/h;;;2*1H2;;;;;/q2*+1;;;;;;;;/p-2
• InChIKey: NQDAZSFONLAYGS-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: [(hydroxydioxochromio)oxy]chromiumoylol potassium
• IUPAC Traditional name: dichromic acid potassium ion
• Synonyms: POTASSIUM DICHROMATE ACS REAGENT GRADE

Database IDs

• CAS Number: 7778-50-9
• EC Number: 231-157-5
• PubChem SID: 162094216
• PubChem CID: 24188559

CALCULATED PROPERTIES

• Acid pKa: 11.340681
• H Acceptors: 6
• H Donor: 2
• LogD (pH = 5.5): -3.7068007
• LogD (pH = 7.4): -3.7068496
• Log P: -3.7068
• Molar Refractivity: 12.251 cm^3
• Polarizability: 11.788091 Å^3
• Polar Surface Area: 117.97 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: 398 °C
• Boiling Point: 500 °C
• Density: 2.676 g/m3

Safety Information

• Storage Condition: Room Temperature (15-30°C)
• RTECS: HX7680000
• European Hazard Symbols: Nature polluting (N); Oxidising (O); Highly toxic (T+)
• UN Number: 3086
• Hazard Class: 5.1; 6.1
• Packing Group: I
• Australian Hazchem: 2W
• Risk Statements: R:8-21-25-26-37/38-41-43-46-49-50/53
• Safety Statements: S:14-45-53-60-61
• EU Classification: TO2
• EU Hazard Identification Number: 6.1A
• Emergency Response Guidebook(ERG) Number: 141

Product Information

• Purity: ≥99%
• Grade: ACS; REAGENT

DETAILS

MP Biomedicals - 02194874

ACS Reagent Grade
Purity: >9%
NOT FOR EXPORT