Sodium thiosulphate pentahydrate 99-101, Puriss., meetSpec_BP,Ph.Eur.,USP, Fluka™

Supplier: Honeywell Chemicals
Ratings: (No Reviews)

Total Ratings: 0
Avg. Ratings: 0.0 out of 5

13479-5KG 13479-500G 13479-2.5KG 13479-4X2.5KG
13479-5KGEA 161 GBP
13479-5KG 13479-500G 13479-2.5KG HONC13479-4X2.5KG
Sodium thiosulphate pentahydrate 99-101, Puriss., meetSpec_BP,Ph.Eur.,USP, Fluka™
Sodium thiosulphate pentahydrate
Formula: Na₂S₂O₃.5H₂O
MW: 248.19 g/mol
Boiling Pt: Dec. (on heating)
Melting Pt: 48 °C (dec.)
Density: 1.73 g/cm³ (20 °C)
Storage Temperature: Room Temperature
MDL Number: MFCD00149186
CAS Number: 10102-17-7
EINECS: 231-867-5
Merck Index: 12,08844

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Specification Test Results

Identity complying
Assay 99.0 - 101.0 %
Assay (calculated on the anhydrous basis) 99.0 - 100.5 %
Loss on drying (vacuum, 16 h) 32.0 - 37.0 %
pH (10 %, 20°C) 6.0 - 9.0
Arsenic (As) Max. 0.0003 %
Calcium (Ca) Max. 0.005 %
Iron (Fe) Max. 0.001 %
Heavy metals (as Pb) Max. 0.0005 %
Chloride (Cl) Max. 0.05 %
Sulfate and sulfite (as SO₄) Max. 0.2 %
Sulfide (S) complying
Appearance of the solution complying
Residual solvents complying


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