Sodium sulfate

Name: Sodium sulfate
Brand: MM

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

Grade:

synthesis grade

Form:

crystals

Solubility:

200 g/L

Key Documents

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grade

synthesis grade

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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This Item	1.06649	71963	1.06639
Sigma-Aldrich 8.22286 Sodium sulfate	Supelco 1.06649 Sodium sulfate	Sigma-Aldrich 71963 Sodium sulfate	Supelco 1.06639 Sodium sulfate
form crystals	form solid	form crystalline	form solid
solubility 200 g/L	solubility -	solubility water: soluble 185 g/L	solubility 200 g/L
Quality Level 200	Quality Level 300	Quality Level 100	Quality Level 300
density 2.68 g/mL at 25 °C (lit.)	density 2.68 g/mL at 25 °C (lit.)	density 2.68 g/mL at 25 °C (lit.)	density 2.68 g/mL at 25 °C (lit.)
pH 5.2-8.0 (20 °C, 50 g/L in H₂O)	pH 5.2-8.0 (20 °C, 50 g/L in H₂O)	pH -	pH 5.2-8.0 (20 °C, 50 g/L in H₂O)
mp 884 °C (lit.)	mp 884 °C (lit.)	mp 884 °C (lit.)	mp 884 °C (lit.)

Application

Sodium sulfate (anhydrous) can be used as a drying agent in organic synthesis for the removal of traces of water from organic extracts.[1][2]

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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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)

Comparison of magnesium sulfate and sodium sulfate for removal of water from pesticide extracts of foods.

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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