dioxomanganese

• ChemBase ID: 128199
• Molecular Formular: MnO2
• Molecular Mass: 86.936849
• Monoisotopic Mass: 86.92787434
• SMILES: O=[Mn]=O
• Canonical SMILES: O=[Mn]=O
• InChI: InChI=1S/Mn.2O
• InChIKey: NUJOXMJBOLGQSY-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dioxomanganese
• IUPAC Traditional name: manganese dioxide
• Synonyms: Manganese(IV) oxide activated; Manganese dioxide; Manganese(IV) oxide; Pyrolusite; Manganese dioxide; 活性二氧化锰; 二氧化锰; 氧化锰(IV)

Database IDs

• CAS Number: 1313-13-9
• EC Number: 215-202-6
• MDL Number: MFCD00003463
• PubChem SID: 24877699; 24853024; 24854616; 24858812; 162222510; 24852197
• PubChem CID: 14801
• Chemspider ID: 14117
• Wikipedia Title: Manganese_dioxide

CALCULATED PROPERTIES

• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): -1.1528
• LogD (pH = 7.4): -1.1528
• Log P: -1.1528
• Molar Refractivity: 2.8858 cm^3
• Polarizability: 4.614635 Å^3
• Polar Surface Area: 34.14 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: insoluble in water
• Apperance: Brown-black solid; gray; powder; powder and chunks; solid
• Melting Point: 535 °C (dec.)(lit.); 535 °C (decomposes)
• Flash Point: 535 °C
• Density: 5.026 g/cm^3
• Std enthalpy of formation: -520 kJ·mol^-1
• Std molar entropy: 53 J·mol^-1·K^-1

Safety Information

• RTECS: OP0350000
• European Hazard Symbols: Harmful (Xn); Oxidizer (O); Harmful (Xn)
• German water hazard class: 1
• Risk Statements: 20/22; R20/22
• Safety Statements: 25; S2, S25
• EU Index: 025-001-00-3
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• NFPA704:
  

  1

  1

  2

  OX
• GHS Hazard statements: H302-H332
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves

Product Information

• Purity: ~85%; ≥90%; ≥90% (RT); ≥90.0%; ≥99%; ≥99% (complexometric); ≥99.99% trace metals basis; 99.99% trace metals basis
• Grade: CP; puriss.; reagent grade; ReagentPlus®; SAJ first grade; technical
• Particle Size: <5 μm; 10 μm; 60-230 mesh
• Impurities: ≤3.5% insoluble in HCl
• Cation Traces: Fe: ≤5000 mg/kg
• Antion Traces: silicate (as SiO2): ≤3%
• Loss on Drying: ≤0.3% loss on drying, 105 °C; ≤1.5% loss on drying
• Empirical Formula (Hill Notation): MnO2

DETAILS

Sigma Aldrich - 529664

Packaging
5, 25 g in glass bottle

Sigma Aldrich - 203750

Packaging
5, 25 g in poly bottle
Application
Chemical insertion of lithium into this product formed a spinel of high capacity for added lithium insertion and ion exchange.1

Sigma Aldrich - 63548

General description
′oxidation grade′
Other Notes
Reagent for oxidations1,2
Packaging
1 kg in poly bottle
250 g in poly bottle

Sigma Aldrich - 310700

包装
2.5 kg in glass bottle
500 g in glass bottle

Sigma Aldrich - 217646

Application
Suitable for organic oxidations.
Packaging
12 kg in poly drum
500 g in poly bottle
5, 100 g in glass bottle

Sigma Aldrich - 243442

Packaging
100, 500 g in poly bottle
5 g in glass bottle
Legal Information
ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC