Certificate of Analysis

Product Name SODIUM DITHIONITE 85%
CAS Number 7775-14-6
Molecular Formula Na2S2O4
Catalogue No. AL01374
Molecular Weight 174.11 g/mol
Batch Number AL-2026-AL01374
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 85% 87%
Moisture Content ≤ 5% 3.2%
Residue on Ignition ≤ 1% 0.5%
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 85% grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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