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Specifications

Catalog #	S5325
Appearance	White crystalline powder
Solubility	Clear, colorless and complete
pH (5%)	5.2-9.2
Insoluble Matter	0.01%
Loss on Ignition	0.5%
Chloride	0.001%
Nitrogen Compounds (N)	0.0005%
Calcium, Magnesium and R2O3 precipitate	0.02%
Heavy Metals	0.0005%
Iron	0.001%
CAS Number	7757-82-6
Molecular Formula	Na2SO4
Molecular Weight	142.0
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.