disodium hydroxy({[hydroxy(oxido)oxochromio]oxy})chromiumoylolate

• ChemBase ID: 294989
• Molecular Formular: Cr2H2Na2O7
• Molecular Mass: 263.98342
• Monoisotopic Mass: 263.84060597
• SMILES: O[Cr](=O)([O-])O[Cr](=O)(O)[O-].[Na+].[Na+]
• Canonical SMILES: [O-][Cr](=O)(O[Cr](=O)(O)[O-])O.[Na+].[Na+]
• InChI: InChI=1S/2Cr.2Na.2H2O.5O/h;;;;2*1H2;;;;;/q4*+1;;;;;;2*-1/p-2
• InChIKey: TVKDMZBGFKOVAN-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: disodium hydroxy({[hydroxy(oxido)oxochromio]oxy})chromiumoylolate
• IUPAC Traditional name: disodium hydroxy({[hydroxy(oxido)oxochromio]oxy})chromiumoylolate
• Synonyms: Sodium dichromate dihydrate; 重铬酸钠二水合物

Database IDs

• CAS Number: 7789-12-0
• EC Number: 234-190-3
• MDL Number: MFCD00149166
• Merck Index: 148609
• PubChem SID: 180680520
• PubChem CID: 0

CALCULATED PROPERTIES

• Acid pKa: 2.39794
• H Acceptors: 6
• H Donor: 2
• LogD (pH = 5.5): -8.38539
• LogD (pH = 7.4): -8.703019
• Log P: -4.0764
• Molar Refractivity: 12.251 cm^3
• Polarizability: 11.986338 Å^3
• Polar Surface Area: 129.95 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: 100°C -2H{2}O
• Density: 2.348

Safety Information

• Storage Warning: Hygroscopic
• RTECS: HX7750000
• UN Number: UN3087
• Hazard Class: 5.1
• Packing Group: II
• Risk Statements: 45-46-60-61-8-21-25-26-34-42/43-48/23-50/53
• Safety Statements: 53-45-60-61
• TSCA Listed: 是
• GHS Pictograms: GHS03; GHS05; GHS06; GHS08; GHS09
• GHS Hazard statements: H272-H301-H330-H312-H317-H334-H340-H350-H360-H372-H314-H400-H410
• GHS Precautionary statements: P221-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P405-P501A

Product Information

• Purity: 99%