Sodium thiosulfate, anhydrous 98.5%, Extra Pure
Supplier: Thermo Scientific Chemicals
AC20287-0010
AC20287-0025
AC20287-0100
AC20287-5000
TS20287-0010EA
131
USD
TS20287-0010
TS20287-0025
TS20287-0100
TS20287-5000
Sodium thiosulfate, anhydrous 98.5%, Extra Pure
Sodium thiosulphate
Formula:
Na₂S₂O₃ Melting Pt: 48 °C Storage Temperature: Ambient |
MDL Number:
MFCD00003499 CAS Number: 7772-98-7 EINECS: 231-867-5 Merck Index: 12,08844 |
Specification Test Results
Appearance | White Crystalline powder |
Titration Iodimetric | ≥98.0 % (on dry substance) |
Loss on drying | ≤2 % (105°C, 2 h) |
pH | 6.0 to 8.5 (5 % at 20°C) |
Chloride (Cl) | ≤1500 ppm |
SO4 and SO3 (as SO4) | ≤1 % |
Iron (Fe) | ≤50 ppm |
Heavy metals (as Pb) | ≤50 ppm |
Learn more

About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...