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239313

Sodium sulfate

Name: Sodium sulfate
Brand: SIGALD

ACS reagent, ≥99.0%, anhydrous, granular

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About This Item

Linear Formula:

Na₂SO₄

CAS Number:

7757-82-6

Molecular Weight:

142.04

NACRES:

NA.21

PubChem Substance ID:

329752527

UNSPSC Code:

12352302

EC Number:

231-820-9

MDL number:

MFCD00003504

eCl@ss:

38030405

Assay:

≥99.0%

Grade:

ACS reagent, anhydrous

Form:

granular

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Properties

Quality Segment

200

grade

ACS reagent, anhydrous

assay

≥99.0%

form

granular

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 (PO₄^3-): ≤0.001%

cation traces

Ca: ≤0.01%, Fe: ≤0.001%, K: ≤0.01%, Mg: ≤0.005%, heavy metals: ≤5 ppm (by ICP-OES)

storage temp.

room temp

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

Description

Application

Sodium sulfate (anhydrous) can be used as a catalyst in the synthesis of 1,3-diaryl-2-propen-1-one oxime by condensation of 1,3-diaryl-2-propen-1-one with hydroxylamine hydrochloride in ethanol.
NaSO₄can 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.

Packaging

Go to Redi-Dri Product Listing 798592

Other Notes

Go to Redi-Dri^™ Product Listing 798592

Legal Information

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

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c