Certificate of Analysis

Product Name POTASSIUM PYROSULPHATE 97% Extra Pure
CAS Number 7790-62-7
Molecular Formula K2S2O7
Catalogue No. AL1262B
Molecular Weight 254.33 g/mol
Batch Number AL-2026-AL1262B
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 97% 98.5%
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.5% 0.2%
Related Substances None detected None detected
Solubility 50 g/L in water at 20 °C 52 g/L in water at 20 °C
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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