Product Description
Sodium Dithionite
CAS No.: 7775-14-6
Molecular Formula : Na2 O4 S2
Molecular Weight : 174.10
Appearance : White to Gray-White crystalline powder
Assay : 85% or 88% or 90% min
InsolubleIn Water : 0.1% max
Na2S2O3 : 1.2% max
Na2S2O5 : 5-7%
NaHSO3 : 0.5% max
Na2CO3 : 0.6-2%
HCOONa : 0.5% max
Zn : 0.0001% max
Pb : 0.0001% max
Fe : 0.005% max