disodium dioxidanediide

• ChemBase ID: 129549
• Molecular Formular: Na2O2
• Molecular Mass: 77.97834
• Monoisotopic Mass: 77.9693678
• SMILES: [O-][O-].[Na+].[Na+]
• Canonical SMILES: [O-][O-].[Na+].[Na+]
• InChI: InChI=1S/2Na.O2/c;;1-2/q2*+1;-2
• InChIKey: PFUVRDFDKPNGAV-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: disodium dioxidanediide
• IUPAC Traditional name: disodium peroxide
• Synonyms: Sodium dioxide; Flocool; Solozone; Disodium peroxide; Sodium peroxide; Sodium peroxide, ACS; Sodium superoxide; Sodium peroxide; 过氧化钠, ACS; 超氧化钠; 过氧化钠

Database IDs

• CAS Number: 1313-60-6
• EC Number: 215-209-4
• MDL Number: MFCD00003497
• Merck Index: 148655
• PubChem SID: 24853380; 24886315; 24858525; 24858960
• PubChem CID: 14803
• Wikipedia Title: Sodium_peroxide

CALCULATED PROPERTIES

• Acid pKa: 11.520607
• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): -0.44720283
• LogD (pH = 7.4): -0.44723517
• Log P: -0.4472024
• Molar Refractivity: 2.8858 cm^3
• Polarizability: 1.6641 Å^3
• Polar Surface Area: 46.12 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: reacts violently in water; soluble in acid ; insoluble in alkali; Soluble in water, forming NaOH and H2O2
• Apperance: beads (small); granular; Granular, Packaged in screwtop can; yellow to white powder
• Melting Point: 460 °C (dec.)(lit.); 460°C (decomp); 460°C dec.
• Boiling Point: 657°C (decomp)
• Flash Point: Non-flammable
• Density: 2.805; 2.805 g/cm^3
• Std enthalpy of formation: -515 kJ·mol^-1
• Std molar entropy: 95 J·mol^-1·K^-1

Safety Information

• Storage Warning: Air Sensitive & Hygroscopic
• RTECS: WD3450000
• European Hazard Symbols: Corrosive (C); Corrosive (C); Oxidising (O); Oxidant (O)
• UN Number: 1504; UN1504
• German water hazard class: 1
• Hazard Class: 5.1
• Packing Group: 1; I
• Risk Statements: 8-35; R8, R35
• Safety Statements: 8-27-39-45; S1/2, S8, S27, S39, S45
• TSCA Listed: 是
• EU Index: 011-003-00-1
• GHS Pictograms: GHS03; GHS05
• GHS Signal Word: Danger
• NFPA704:
  

  0

  2

  1

  OX
• GHS Hazard statements: H271-H314
• GHS Precautionary statements: P220-P280-P305 + P351 + P338-P310; P221-P283-P303+P361+P353-P305+P351+P338-P405-P501A
• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• RID/ADR: UN 1504 5.1/PG 1

Product Information

• Purity: ≥93.0%; ≥95%; ≥95% (RT); ≥95.0%; 93% min; 95%; 97%
• Grade: ACS reagent; ACS reagent, reag. ISO; for Wurzschmitt-decomposition; puriss. p.a.; purum; reagent grade; SAJ special grade
• Particle Size: +140 mesh
• Impurities: ≤0.002% heavy metals (as Pb); ≤0.003% N compounds; ≤0.003% total nitrogen (N)
• Cation Traces: Ag: ≤5 mg/kg; Al: ≤10 mg/kg; Al: ≤20 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤500 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤0.005%; Fe: ≤20 mg/kg; Fe: ≤5 mg/kg; heavy metals (as Pb): ≤0.002%; K: ≤200 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Ni: ≤10 mg/kg; Pb: ≤5 mg/kg; Sr: ≤10 mg/kg; Tl: ≤5 mg/kg; Zn: ≤5 mg/kg
• Antion Traces: chloride (Cl-): ≤0.002%; chloride (Cl-): ≤20 mg/kg; phosphate (PO43-): ≤5 mg/kg; phosphate (PO43-): ≤5 ppm; sulfate (SO42-): ≤0.001%; sulfate (SO42-): ≤10 mg/kg
• Empirical Formula (Hill Notation): Na2O2

DETAILS

Sigma Aldrich - 71880

Analysis Note
may contain particles (Fe, Ni)
Caution
attention: higher reactivity due to finer material

Sigma Aldrich - 71883

Analysis Note
may contain particles (Fe, Ni)
Other Notes
Wurzschmitt decomposition; decomposition of ores by fusion1,2

Sigma Aldrich - 311456

Packaging
25, 100, 500 g in glass bottle

Sigma Aldrich - 223417

Packaging
100, 500 g in glass bottle

REFERENCES

• For use in the direct oxidation of benzaldoximes to acids, see: Synthesis, 807 (1976).