disodium [(oxidodioxochromio)oxy]chromiumoylolate

• ChemBase ID: 129518
• Molecular Formular: Cr2Na2O7
• Molecular Mass: 261.96754
• Monoisotopic Mass: 261.8249559
• SMILES: [Na+].[Na+].[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-]
• Canonical SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[Na+].[Na+]
• InChI: InChI=1S/2Cr.2Na.7O/q;;2*+1;;;;;;2*-1
• InChIKey: KIEOKOFEPABQKJ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: disodium [(oxidodioxochromio)oxy]chromiumoylolate
• IUPAC Traditional name: disodium chromate
• Synonyms: Disodium salt; Sodium dichromate; Dichromate, Ion chromatography standard solution, Specpure®, Cr2O7-2 1000 μg/ml; 重铬酸盐, 离子色谱标准溶液, Specpure®, Cr2O7-2 1000 μg/ml

Database IDs

• CAS Number: 10588-01-9
• EC Number: 234-190-3
• MDL Number: MFCD01093393
• PubChem SID: 162223810
• PubChem CID: 25408
• CHEBI ID: 39483
• Chemspider ID: 23723
• Wikipedia Title: Sodium_dichromate

CALCULATED PROPERTIES

• Acid pKa: -2.30103
• H Acceptors: 6
• H Donor: 0
• LogD (pH = 5.5): -8.234395
• LogD (pH = 7.4): -8.2344
• Log P: -3.7068
• Molar Refractivity: 10.0076 cm^3
• Polarizability: 11.546313 Å^3
• Polar Surface Area: 123.63 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 73 g/100 mL at 25 °C in water; soluble in methanol
• Apperance: bright red; Liquid
• Melting Point: 356.7 °C; dehydrates at 100 °C
• Boiling Point: decomposes 400 °C
• Density: 2.52 g/cm^3
• Odor: odorless

Safety Information

• RTECS: HX7750000; HX7750000 (dihydrate)
• European Hazard Symbols: Carc. Cat. 2; Corrosive (C); Dangerous for the environment (N); Harmful (Xn); Muta. Cat. 2; Oxidant (O); Repr. Cat. 2; Toxic (T); Very toxic (T+)
• UN Number: 3288
• Risk Statements: 45-46-20; R45, R46, R60, R61, R8, R21, R25, R26, R34, R42/43, R48/23, R50/53,
• Safety Statements: 53-45-60-61; S53, S45, S60, S61
• TSCA Listed: 是
• EU Index: 024-004-00-7 (anhydrous); 024-004-01-4 (dihydrate)
• GHS Pictograms: GHS07; GHS08
• NFPA704:
  

  0

  3

  0

  OX
• LD50: 50 mg/kg
• GHS Hazard statements: H340-H350-H332
• GHS Precautionary statements: P261-P281-P304+P340-P312-P405-P501A