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Merck

63138

Sigma-Aldrich

Sulfato de magnesio heptahidratado

Magnesium sulfate heptahydrate

BioUltra, ≥99.5% (KT)

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About This Item

Fórmula lineal:
MgSO4 · 7H2O
Número de CAS:
Peso molecular:
246.47
Número CE:
Número MDL:
Código UNSPSC:
12352302
eCl@ss:
38030409
ID de la sustancia en PubChem:
NACRES:
NA.26
En este momento no podemos mostrarle ni los precios ni la disponibilidad

grado

reagent grade

Nivel de calidad

densidad de vapor

<0.01 (vs air)

presión de vapor

<0.1 mmHg ( 20 °C)

Línea del producto

BioUltra

Ensayo

≥99.5% (KT)

impurezas

insoluble matter, passes filter test
≤0.002% total nitrogen (N)

pH

5.0-8.0 (25 °C, 1 M in H2O)

solubilidad

H2O: 1 M at 20 °C, clear, colorless

trazas de anión

chloride (Cl-): ≤5 mg/kg

trazas de catión

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤1 mg/kg
K: ≤10 mg/kg
Li: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤10 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

Absorción UV

λ: 260 nm Amax: 0.010
λ: 280 nm Amax: 0.010

cadena 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

Clave InChI

WRUGWIBCXHJTDG-UHFFFAOYSA-L

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Aplicación


  • Research on the Working Performance and the Corresponding Mechanical Strength of Polyaluminum Sulfate Early Strength Alkali-Free Liquid Accelerator Matrix Cement.: This research investigates the applications of magnesium sulfate heptahydrate in improving the performance and mechanical strength of cement used in construction (Wang et al., 2022).

Otras notas

Component of Earle′s balanced salt solution[1]; Component of Hanks′ balanced salt solution[2]; Component of plant cell-culture media and of culture media for microorganisms.; Purification of CAP, catabolite gene activator[3]; In the preparation of spheroplasts from E. coli K38[4]

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


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Certificados de análisis (COA)

Lot/Batch Number

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Visite la Librería de documentos

M. Takanam
Methods in Enzymology, 65, 24-24 (1980)
Relation of oxygen and temperature in the preservation of tissues by refrigeration.
J H HANKS et al.
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 71(2), 196-200 (1949-06-01)
G. Zubay
Methods in Enzymology, 65, 861-861 (1980)
W.R. Earle et al.
Journal of the National Cancer Institute, 4, 165-165 (1943)
Stefanos Stagkourakis et al.
Cell, 182(4), 960-975 (2020-08-09)
Parental behavior is pervasive throughout the animal kingdom and essential for species survival. However, the relative contribution of the father to offspring care differs markedly across animals, even between related species. The mechanisms that organize and control paternal behavior remain

Questions

1–2 of 2 Questions  
  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

      Helpful?

  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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