Sodium chromate

• Catalog No.: Sodium_chromate
• CAS Number: 7775-11-3
• M. F.: CrNa2O4
• M. W.: 161.97324

SYNONYMS

• IUPAC name: disodium dioxochromiumbis(olate)
• IUPAC Traditional name: disodium chromate(2-)
• Synonyms: Rachromate; Chromium disodium oxide; Chromic acid, (Na₂CrO₄), disodium salt

DATABASE IDS

• EC Number: 231-889-5
• PubChem CID: 24488
• CAS Number: 7775-11-3
• Wikipedia Title: Sodium_chromate

PROPERTIES

• Apperance: yellow crystals
• Std enthalpy of formation: -1329 kJ/mol
• Density: 2.698 g/cm^3
• Flash Point: Non-flammable
• Melting Point: 792 °C (anhydrous) ; 20 °C (decahydrate)
• Odor: odorless
• Solubility: 53 g/100 ml (20 °C) ; 87.3 g/100 mL (30 °C) in water
• Solubility: slightly soluble in ethanol
• Solubility: 0.344 g/100 mL (25 °C) in methanol
• EU Index: 024-018-00-3
• European Hazard Symbols: Carc. Cat. 2
• European Hazard Symbols: Muta. Cat. 2
• European Hazard Symbols: Repr. Cat. 2
• European Hazard Symbols: Very toxic (T+)
• European Hazard Symbols: Harmful (Xn)
• European Hazard Symbols: Corrosive (C)
• European Hazard Symbols: Dangerous for the environment (N)
• NFPA704:
  

  0

  3

  OX
• Risk Statements: R45, R46, R60, R61, R21, R25, R26, R34, R42/43, R48/23, R50/53
• RTECS: GB2955000
• Safety Statements: S53, S45, S60, S61
• UN Number: 3288