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243655

Sigma-Aldrich

Sodium molybdate

≥98%

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About This Item

Formule linéaire :
Na2MoO4
Numéro CAS:
7631-95-0
Poids moléculaire :
205.92
Numéro CE :
231-551-7
Numéro MDL:
MFCD00003486
Code UNSPSC :
12352302
ID de substance PubChem :
329752462
Nomenclature NACRES :
NA.55
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Qualité

for analytical purposes

Essai

≥98%

Forme

granular

Pertinence de la réaction

reagent type: catalyst
core: molybdenum

Pf

687 °C (lit.)

Densité

3.78 g/mL at 25 °C (lit.)

Chaîne SMILES 

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

InChI

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

Clé InChI

TVXXNOYZHKPKGW-UHFFFAOYSA-N

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Description générale

Sodium molybdate has corrosion resistant properties. On heating, it undergoes degradation and releases Na2O fumes.[1]

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.[2]
It may also be used as a catalyst during the manufacture of paints and dyes.[1]

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
MKCX4083
0000321994
MKCW6786
0000321994
MKCT8976

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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
Ash M and Ash I.
Handbook of Green Chemicals, 878-878 (2004)
Jason Davenport et al.
Journal of natural products, 74(5), 1085-1092 (2011-04-14)
A high-throughput screening of natural product libraries identified (-)-gambogic acid (1), a component of the exudate of Garcinia harburyi, as a potential Hsp90 inhibitor, in addition to the known Hsp90 inhibitor celastrol (2). Subsequent testing established that 1 inhibited cell
Lluís Palou et al.
Pest management science, 58(5), 459-466 (2002-05-10)
The effectiveness of low-toxicity chemicals as possible alternatives to synthetic fungicides for the control of post-harvest green and blue moulds of citrus was evaluated. A preliminary selection of chemicals, mostly common food additives, was made through in vivo primary screenings
Cornelis A M Van Gestel et al.
Chemosphere, 82(11), 1614-1619 (2010-12-15)
Mo bioaccumulation in the earthworm Eisenia andrei was determined after 28 d exposure in ten different European field soils (pH 4.4-7.8) and an artificial soil, freshly spiked with Na₂MoO₄ at concentrations between 3.2 and 3200 mg Mo kg⁻¹ dry soil.
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Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. Is this product USP or FCC?

    1 answer

    1. This product is intended for research use only. Currently, there is no USP or FCC grade of the material available.

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