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M1880

Sigma-Aldrich

Sulfato de magnésio

Magnesium sulfate heptahydrate

ReagentPlus®, ≥99.0%

Sinônimo(s):

Sais de Epsom

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500 G
R$ 296,00
1 KG
R$ 479,00
5 KG
R$ 2.029,00

R$ 296,00

Disponível para enviar em09 de abril de 2025Detalhes

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500 G
R$ 296,00
1 KG
R$ 479,00
5 KG
R$ 2.029,00

About This Item

Fórmula linear:
MgSO4 · 7H2O
Número CAS:
10034-99-8
Peso molecular:
246.47
Número CE:
231-298-2
Número MDL:
MFCD00149785
Código UNSPSC:
12352302
eCl@ss:
38030409
ID de substância PubChem:
329817920
NACRES:
NA.21

R$ 296,00

Disponível para enviar em09 de abril de 2025Detalhes

Solicite uma grande encomenda

grau

reagent

Nível de qualidade

200

densidade de vapor

<0.01 (vs air)

pressão de vapor

<0.1 mmHg ( 20 °C)

linha de produto

ReagentPlus®

Ensaio

≥99.0%

Formulário

powder or crystals

pH

5-8 (50 g/L)

cadeia de caracteres SMILES

O.O.O.O.O.O.O.[Mg++].[O-]S([O-])(=O)=O

InChI

1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2

chave InChI

WRUGWIBCXHJTDG-UHFFFAOYSA-L

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Descrição geral

Magnesium sulfate heptahydrate is hydrated salt of magnesium sulfate. It is hygroscopic in its anhydrous form. It can be used as a hydrophilic additive and as a catalyst in organic synthesis.

Aplicação

Magnesium sulfate heptahydrate is used:
  • As an effective,catalyst for the condensation of o-phenylenediamine and 1,2-dicarbonyl compounds at room temperature.
  • As a catalyst in the synthesis of tri/tetra-substituted imidazoles from wide range of aromatic aldehydes, benzil, aliphatic and aromatic primary amines and ammonium acetate.
  • In the preparation of amorphous magnesium borates of various composition by interacting with sodium borate decahydrate.

Magnesium sulfate heptahydrate may be used as a catalyst for the condensation of o-phenylenediamines with 1,2-dicarbonyl compounds to form phenazine and quinoxaline derivatives.[1] It may also be used as a catalyst along with indium (III) triflate for the synthesis of tri/tetra-substituted imidazoles.[2]

Informações legais

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Código de classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

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Certificados de análise (COA)

Lot/Batch Number
BCCM9621
BCCM7541
0000406230
0000406231
0000380039

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A facile synthesis of phenazine and quinoxaline (new 1,4-benzo diazine) derivatives using magnesium sulfate heptahydrate as a catalyst.
Karami B and Khodabakhshi S.
J. Serb. Chem. Soc., 76(9), 1191-1198 (2011)
Size-dependent growth of magnesium sulfate heptahydrate.
Rousseau RW and Parks RM.
Industrial & Engineering Chemistry Fundamentals, 20(1), 71-76 (1981)
New conditions for the effective synthesis of tri and tetrasubstituted imidazoles catalysed by recyclable indium (III) triflate and magnesium sulfate heptahydrate.
Karami B, et al.
J. Chem. Res. (M), 38(1), 41-45 (2014)
Shoshana Naiman et al.
Cell reports, 29(12), 4127-4143 (2019-12-19)
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Frontiers in cell and developmental biology, 9, 609311-609311 (2021-03-16)
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Enzymatic Assay of 5’-Nucleotidase

To measure 5′-nucleotidase activity, this procedure uses adenosine 5’-monophosphate and a color reagent to create a standard curve for determining the micromoles of phosphorus liberated.

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Questions

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  1. 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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  2. 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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