Certificate of Analysis

Product Name SODIUM SULPHITE 98% For Molecular Biology
CAS Number 7757-83-7
Molecular Formula Na2SO3
Catalogue No. AL1425B
Molecular Weight 126.04 g/mol
Batch Number AL-2026-AL1425B
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay Purity ≥ 98% 99.5%
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.5% 0.2%
pH Value 9.0 (1% solution) 9.1
Solubility Soluble in water Complete dissolution in water
Result: The above product is expected to comply with 98% For Molecular Biology grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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