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SX0760

Supelco

Sodium sulfate

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

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Synonym(s):
Disodium Sulfate
Linear Formula:
Na2SO4
CAS Number:
Molecular Weight:
142.04
MDL number:
EC Index Number:
231-820-9

agency

meets USP/NF

Quality Level

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

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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SX0760

Sodium sulfate

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Sodium sulfate

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204447

Sodium sulfate

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SX0550

Sodium Fluoride

solubility

200 g/L

solubility

200 g/L

solubility

ethanol: insoluble(lit.)

solubility

soluble 42 g/L

form

crystals

form

crystals

form

powder

form

crystals

assay

≥99.0%

assay

≥99.0%

assay

≥99.99% trace metals basis

assay

≥99.5% (precipitation titration)

anion traces

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

anion traces

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

anion traces

-

anion traces

chloride (Cl-): ≤0.003%, sulfate (SO42-): ≤0.01%, sulfite (SO32-): ≤0.005%

impurities

≤0.01% Insoluble matter

impurities

≤0.01% Insoluble matter, ≤1% Mesh size (100 and finer)

impurities

≤100.0 ppm Trace Metal Analysis

impurities

≤0.01% Insoluble matter, ≤0.04% Free alkali (as NaOH), ≤0.05% Free acid (as hydrofluoric acid), ≤0.1% Sodium fluosilicate (Na2SiF6)

Application

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

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

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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