Certificate of Analysis

Product Name SODIUM SULPHITE 98% AR (anhydrous)
CAS Number 7757-83-7
Molecular Formula Na2SO3
Catalogue No. AL1425A
Molecular Weight 126.04 g/mol
Batch Number AL-2026-AL1425A
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay (Purity) 98% min 98.5%
Moisture Content <1% 0.5%
Residue on Ignition <0.5% 0.3%
Solubility 70 g/L in water at 20 °C 72 g/L
Result: The above product is expected to comply with AR (Analytical Reagent) grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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