Certificate of Analysis

Product Name CHROMOTROPIC ACID DISODIUM SALT 98%
CAS Number 5808-22-0
Molecular Formula C10H6Na2O8S2·2H2O
Catalogue No. AL00491
Molecular Weight 400.29 g/mol
Batch Number AL-2026-AL00491
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 98% 99.5%
Moisture Content ≤ 2% 1.5%
Residue on Ignition ≤ 1% 0.5%
Related Substances None detected None detected
Solubility Soluble in water Fully soluble
Result: The above product is expected to comply with 98% grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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