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746363

Sigma-Aldrich

Natriumsulfat

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

Synonym(e):

Glaubersalz

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About This Item

Lineare Formel:
Na2SO4
CAS-Nummer:
7757-82-6
Molekulargewicht:
142.04
EG-Nummer:
231-820-9
MDL-Nummer:
MFCD00003504
UNSPSC-Code:
12352302
PubChem Substanz-ID:
329765762
NACRES:
NA.21

Qualität

ACS reagent
anhydrous
free-flowing

Qualitätsniveau

100

Agentur

suitable for EPA 1613

Produktlinie

Redi-Dri™

Assay

≥99%

Form

powder

Verunreinigungen

≤0.01% insolubles
≤5 ppm N compounds

Verlust

≤0.5% loss on ignition

pH-Wert

5.2-9.2 (25 °C, 5%)

mp (Schmelzpunkt)

884 °C (lit.)

Dichte

2.68 g/mL at 25 °C (lit.)

Anionenspuren

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

Kationenspuren

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

InChIKey

PMZURENOXWZQFD-UHFFFAOYSA-L

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Anwendung

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.

Leistungsmerkmale und Vorteile

  • 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

Rechtliche Hinweise

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

Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Natriumsulfit ACS reagent, ≥98.0%

Sigma-Aldrich

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