Sodium Sulfate Anhydrous ACS Crystals
Jost Code: 2795
Synonyms: Disodium sulfate
Sodium Sulfate can be used as a laboratory reagent. Product specifications, SDSs and certifications are available under Additional Information.
Chemical Formula
Na2SO4
CAS Number
7757-82-6
Molecular Weight
142.04
Use
Laboratory reagent
Description
White fine granular or powder; odorless
Containers
300 lb. fiber drums; 25 kilogram packs EU only
Storage
Store in a clean, dry warehouse in the original unopened containers.
Revision Date
01/03/06
Appearance
White crystals/powder
Solubility
Clear/colorless
Loss on Ignition
0.5% maximum
Heavy Metals (as Pb)
5 ppm maximum
pH of 5% solution
5.2 - 9.2
Chloride (Cl)
0.001% maximum
Nitrogen Compounds (N)
5 ppm maximum
Iron (Fe)
0.001% maximum
Calcium
0.01% maximum
Magnesium
0.005% maximum
Potassium
0.01% maximum
Phosphate
0.001% maximum
Insoluble Matter
0.01% maximum
Assay (As Na2SO4)
99.0% minimum
