Sodium Thiosulfate pentahydrate AR 2.5Kg JT Baker
so4x3946-05-2500

Formula: Na2S2O3.5H2O
MW: 248.19 g/mol
Melting Pt: 48 °C
Density: 1,67 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149186
CAS Number: 10102-17-7
EINECS: 231-867-5
UN: 0000
Merck Index: 12,08844
  

 


  

  

  

Specification Test Results

Meets ACS Reagent Chemical Requirements 
For Laboratory,Research,or Manufacturing Use 
Assay (Na2S2O3.5H2O) (by iodometry)99.5 - 101.0 %
Insoluble Matter≤ 0.005 %
pH of 5% Solution at 25°C6.0 - 8.4
Nitrogen Compounds (as N)≤ 0.002 %
Sulfate and Sulfite (as SO4)≤ 0.1 %
Sulfide (S)Passes Test
Meets Reagent Specifications for testing USP/NF monographs 

Unit Qty: ea

Availability: 4 in stock