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Sigma-Aldrich

Sodium molybdate

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

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Synonym(s):
Disodium molybdate, Natrium molybdat, Sodium Molybdenum Oxide
Linear Formula:
Na2MoO4
CAS Number:
7631-95-0
Molecular Weight:
205.92
EC Number:
231-551-7
MDL number:
MFCD00003486
PubChem Substance ID:
329765235
NACRES:
NA.23

grade

anhydrous

Quality Level

100

Assay

99.9% trace metals basis

form

powder

impurities

≤2000.0 ppm Trace Metal Analysis

particle size

−100 mesh

mp

687 °C (lit.)

density

3.78 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

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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General description

Sodium molybdate is a white powder that is an environmentally friendly non-oxidizing corrosion inhibitor and Mo source which is widely used in rechargeable batteries and supercapacitors.

Application

Sodium molybdate can be used as:
  • A precursor to prepare MoS2-based electrode materials for sodium-ion batteries with high initial Coulombic efficiency (ICE), high-rate performance, and long cycle life.
  • An electrolyte additive in energy storage devices such as supercapacitors, to prevent the corrosion of stainless-steel collectors and enhance the performance.
  • A source of molybdenum to synthesize MoS2 quantum dots that can be used in fluorescence sensors for ascorbic acid detection.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Sodium molybdate-an additive of choice for enhancing the performance of AC/AC electrochemical capacitors in a salt aqueous electrolyte
Q Abbas, et al.
Faraday Discussions, 172, 199-214 (2014)
A simple and high-performance supercapacitor based on nitrogen-doped porous carbon in redox-mediated sodium molybdate electrolyte
Kanjun Sun, et al
Electrochimica Acta, 158, 361-367 (2015)
Switch-on fluorescence sensor for ascorbic acid detection based on MoS2 quantum dots-MnO2 nanosheets system and its application in fruit samples
Ya-Li Xu, et al.
Chinese Chemical Letters = Zhongguo Hua Xue Kuai Bao, 28, 338-344 (2017)
MoS2 nanosheets vertically aligned on carbon paper: a freestanding electrode for highly reversible sodium-ion batteries
Xiuqiang Xie, et al.
Advanced Energy Materials, 6, 1502161-1502161 (2016)
Kimberly M Stroka et al.
Oncotarget, 8(33), 54004-54020 (2017-09-15)
Obscurins are a family of RhoGEF-containing proteins with tumor and metastasis suppressing roles in breast epithelium. Downregulation of giant obscurins in normal breast epithelial cells leads to reduced levels of active RhoA and of its downstream effectors. Herein, we elucidate
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