dilithium(1+) ion dioxidanediide

• ChemBase ID: 128087
• Molecular Formular: Li2O2
• Molecular Mass: 45.8808
• Monoisotopic Mass: 46.02183834
• SMILES: [Li+].[Li+].[O-][O-]
• Canonical SMILES: [O-][O-].[Li+].[Li+]
• InChI: InChI=1S/2Li.O2/c;;1-2/q2*+1;-2
• InChIKey: HPGPEWYJWRWDTP-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dilithium(1+) ion dioxidanediide
• IUPAC Traditional name: dilithium(1+) ion peroxide
• Synonyms: Lithium peroxide; Dilithium peroxide; Lithium (I) peroxide; Lithium peroxide; 过氧化锂

Database IDs

• CAS Number: 12031-80-0
• EC Number: 234-758-0
• MDL Number: MFCD00016184
• PubChem SID: 24861460
• PubChem CID: 25489
• Chemspider ID: 23787
• Wikipedia Title: Lithium_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: insoluble in alcohol; soluble in water
• Apperance: fine, white powder; powder; Powder
• Melting Point: 195 °C
• Boiling Point: Decomposes to Li₂O
• Density: 2.31 g/cm^3
• Odor: odorless
• Std enthalpy of formation: -13.82 kJ/g

Safety Information

• Storage Warning: Air & Moisture Sensitive
• European Hazard Symbols: Corrosive (C); Oxidising (O)
• UN Number: 1472; UN1472
• German water hazard class: 3
• Hazard Class: 5.1
• Packing Group: 2; II
• Risk Statements: 8-34; 8-35
• Safety Statements: 8-26-27-28-36/37/39-45; 8-27-36/37/39-45
• TSCA Listed: 是
• GHS Pictograms: GHS03; GHS05
• GHS Signal Word: Danger
• NFPA704:
  

  0

  3

  2

  OX
• GHS Hazard statements: H272-H314; H272-H314-H318
• GHS Precautionary statements: P220-P280-P305 + P351 + P338-P310; P221-P210-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 1472 5.1/PG 2

Product Information

• Purity: 90%; 90% min
• Grade: technical grade
• Empirical Formula (Hill Notation): Li2O2

DETAILS

Sigma Aldrich - 347043

Packaging
50 g in poly bottle