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243655

Sigma-Aldrich

Sodium molybdate

≥98%

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Linear Formula:
Na2MoO4
CAS Number:
7631-95-0
Molecular Weight:
205.92
EC Number:
231-551-7
MDL number:
MFCD00003486
PubChem Substance ID:
329752462
NACRES:
NA.55

Quality Level

100

Assay

≥98%

form

granular

reaction suitability

reagent type: catalyst
core: molybdenum

mp

687 °C (lit.)

density

3.78 g/mL at 25 °C (lit.)

SMILES string

[Na+].[Na+].[O-][Mo]([O-])(=O)=O

InChI

1S/Mo.2Na.4O/q;2*+1;;;2*-1

InChI key

TVXXNOYZHKPKGW-UHFFFAOYSA-N

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This Item
M1003737860SX0650
Sodium molybdate ≥98%

Sigma-Aldrich

243655

Sodium molybdate

Sodium molybdate dihydrate ≥99.5%

Sigma-Aldrich

M1003

Sodium molybdate dihydrate

Sodium molybdate anhydrous, powder, −100 mesh particle size, 99.9% trace metals basis

Sigma-Aldrich

737860

Sodium molybdate

Sodium Molybdate, Dihydrate Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Supelco

SX0650

Sodium Molybdate, Dihydrate

form

granular

form

powder

form

powder

form

powder

mp

687 °C (lit.)

mp

100 °C (dec.) (lit.)

mp

687 °C (lit.)

mp

687 °C

density

3.78 g/mL at 25 °C (lit.)

density

-

density

3.78 g/mL at 25 °C (lit.)

density

-

reaction suitability

reagent type: catalyst
core: molybdenum

reaction suitability

reagent type: catalyst
core: molybdenum

reaction suitability

-

reaction suitability

-

General description

Sodium molybdate has corrosion resistant properties. On heating, it undergoes degradation and releases Na2O fumes.

Application

Sodium molybdate (Na2MO4) may be used as an electrolyte additive, for use in electrochemical capacitors. Addition of Na2MO4 as an electrolyte additive may result in enhanced capacitance, corrosion prevention and stabilized performance.
It may also be used as a catalyst during the manufacture of paints and dyes.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Ash M and Ash I.
Handbook of Green Chemicals, 878-878 (2004)
Q Abbas et al.
Faraday discussions, 172, 199-214 (2014-11-27)
Sodium molybdate (Na2MoO4) has been used as an additive to 1 mol L(-1) lithium sulfate electrolyte for electrochemical capacitors based on activated carbon (AC) electrodes, in order to reduce the corrosion of stainless steel current collectors. We demonstrate that the
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