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8.22286

Sigma-Aldrich

Sodium sulfate

anhydrous for synthesis

Synonym(s):

Sulfuric acid sodium salt (1:2)

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About This Item

Linear Formula:
Na2SO4
CAS Number:
7757-82-6
Molecular Weight:
142.04
MDL number:
MFCD00003504
UNSPSC Code:
12352302
EC Index Number:
231-820-9
NACRES:
NA.22

Quality Level

200

form

crystals

potency

>2000 mg/kg LD50, oral (Rat)

pH

5.2-8.0 (20 °C, 50 g/L in H2O)

mp

884 °C (lit.)

solubility

200 g/L

density

2.68 g/mL at 25 °C (lit.)

bulk density

1400‑1600 kg/m3

storage temp.

2-30°C

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 (anhydrous) can be used as a drying agent in organic synthesis for the removal of traces of water from organic extracts.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Syntheses of tris (pyrazolyl) methane ligands and {[tris (pyrazolyl) methane] Mn (CO)3}SO3CF3 complexes: Comparison of ligand donor properties
Reger DL, et al.
Journal of Organometallic Chemistry, 607(1-2), 120-128 (2000)
Frank J Schenck et al.
Journal of AOAC International, 85(5), 1177-1180 (2002-10-11)
Water-miscible solvents, such as acetone and acetonitrile, effectively extract both polar and nonpolar pesticide residues from nonfatty foods. The addition of sodium chloride to the resulting acetonitrile-water or acetone-water extract (salting out) results in the separation of the water from

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