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Merck
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746363

Sigma-Aldrich

Sulfato de sodio

anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99%

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About This Item

Fórmula lineal:
Na2SO4
Número de CAS:
7757-82-6
Peso molecular:
142.04
EC Number:
231-820-9
MDL number:
MFCD00003504
UNSPSC Code:
12352302
PubChem Substance ID:
329765762
NACRES:
NA.21

grade

ACS reagent
anhydrous

Quality Level

100

agency

suitable for EPA 1613

product line

Redi-Dri™

assay

≥99%

form

powder

quality

free-flowing

impurities

≤0.01% insolubles
≤5 ppm N compounds

loss

≤0.5% loss on ignition

pH

5.2-9.2 (25 °C, 5%)

mp

884 °C (lit.)

density

2.68 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%

cation traces

Ca: ≤0.002%
Fe: ≤0.001%
K: ≤0.002%
Mg: ≤0.001%
heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

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

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

PMZURENOXWZQFD-UHFFFAOYSA-L

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Application

Sodium sulfate can be used as a dehydrating agent for the synthesis of 1,3-diaryl-2-propen-1-one oxime via the condensation of 1,3-diaryl-2-propen-1-one with hydroxylamine hydrochloride. It can also be used as a drying agent in organic synthesis for the removal of traces of water from organic extracts. It is used for drying almost all compounds including fatty acids, aldehydes, ketones, and alkyl and aryl halogenides.

Features and Benefits

  • Increased efficiency – Eliminates time and effort of loosening hardened powders     
  • Safety – Eliminates tools of force used to break up clumps
  • Ecology – Reduces waste as it does not stick to the packaging
  • Economy – Faster preparation and solvation increase productivity and reduce costs      
  • Assured quality – Excellent, expert-tested quality with no anti-caking agents      
  • Flexible volumes – Available from research amounts to scale-up quantities

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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