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746363

Sigma-Aldrich

Solfato di sodio

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

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About This Item

Formula condensata:
Na2SO4
Numero CAS:
7757-82-6
Peso molecolare:
142.04
Numero CE:
231-820-9
Numero MDL:
MFCD00003504
Codice UNSPSC:
12352302
ID PubChem:
329765762
NACRES:
NA.21

Grado

ACS reagent
anhydrous

Livello qualitativo

100

agenzia

suitable for EPA 1613

Nome Commerciale

Redi-Dri™

Saggio

≥99%

Forma fisica

powder

Qualità

free-flowing

Impurezze

≤0.01% insolubles
≤5 ppm N compounds

Perdita

≤0.5% loss on ignition

pH

5.2-9.2 (25 °C, 5%)

Punto di fusione

884 °C (lit.)

Densità

2.68 g/mL at 25 °C (lit.)

Anioni in tracce

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

Cationi in tracce

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

Stringa SMILE

[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
PMZURENOXWZQFD-UHFFFAOYSA-L

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Applicazioni

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.

Caratteristiche e vantaggi

  • 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

Note legali

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

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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