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Merck
CN

SX0760

Sodium sulfate

anhydrous, crystals, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

Disodium Sulfate

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About This Item

Linear Formula:
Na2SO4
CAS Number:
7757-82-6
Molecular Weight:
142.04
UNSPSC Code:
12352302
EC Index Number:
231-820-9
MDL number:
MFCD00003504
Assay:
≥99.0%
Grade:
ACS reagent
Form:
crystals
Solubility:
200 g/L

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Product Name

Sodium sulfate, anhydrous, crystals, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

SMILES string

[Na+].[Na+].[O-]S([O-])(=O)=O

InChI key

PMZURENOXWZQFD-UHFFFAOYSA-L

grade

ACS reagent

agency

meets USP/NF

assay

≥99.0%

form

crystals

impurities

≤0.01% Insoluble matter

loss

≤0.5% loss on ignition

color

white

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.)

anion traces

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

cation traces

Ca: ≤0.01%
Fe: ≤0.001%
K: ≤0.01%
Mg: ≤0.005%
N: ≤5 ppm
heavy metals: ≤5 ppm

shipped in

ambient

storage temp.

room temp

Quality Level

200

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Analysis Note

Assay99.0% minCalcium (Ca)0.01% maxChloride (Cl)0.001% maxColorWhiteFormCrystalsHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.01% maxIron (Fe)0.001% maxLoss on ignition0.5% maxMagnesium (Mg)0.005% maxNitrogen compounds (as N)5ppm maxPhosphate (PO4)0.001% maxPotassium (K)0.01% maxpH of a 5% solution at 25°C5.2-9.2

Application

anhydrous, crystals, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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