Certificate of Analysis

Product Name CHROMOTROPIC ACID DISODIUM SALT 98.5% AR
CAS Number 5808-22-0
Molecular Formula C10H6Na2O8S2ยท2H2O
Catalogue No. AL00492
Molecular Weight 400.29 g/mol
Batch Number AL-2026-AL00492
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay 98.5% min 98.7%
Moisture Content <1% 0.5%
Residue on Ignition <0.1% 0.05%
Related Substances None detected None detected
Result: The above product is expected to comply with AR grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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