Sodium thiosulphate pentahydrate 99.5+% ACS

Supplier: Thermo Scientific

ACRO424460010EA 82.9 GBP
ACRO424460010 ACRO424460051
Sodium thiosulphate pentahydrate 99.5+% ACS
Sodium thiosulphate pentahydrate
Formula: Na₂S₂O₃.5H₂O
MW: 248,19 g/mol
Melting Pt: 48,5 °C
Density: 1,72 g/cm³
Storage Temperature: Ambient
MDL Number: MFCD00149186
CAS Number: 10102-17-7
EINECS: 231-867-5
Merck Index: 12,08844

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Specification Test Results

Appearance White Crystals
Titration Iodimetric 99.5 to 101.0 %
pH 6.0 to 8.4 (5 % solution at 25.0°C)
Sulfide (S) Passes test (limit about 1 ppm)
SO4 and SO3 (as SO4) ≤0.1 %
Insoluble matter ≤0.005 %
Nitrogen compounds (as N) ≤0.002 %

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