Certificate of Analysis

Product Name SODIUM THIOSULPHATE 99% Extra Pure
CAS Number 10102-17-7
Molecular Formula Na2S2O3ยท5H2O
Catalogue No. AL01429
Molecular Weight 248.17 g/mol
Batch Number AL-2026-AL01429
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay 99% min 99.5%
Moisture Content <1% 0.5%
Residue on Ignition <0.1% 0.05%
Related Substances None detected None detected
Solubility Freely soluble in water Freely soluble in water
Result: The above product is expected to comply with Extra Pure grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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