Certificate of Analysis

Product Name ALKALI BLUE 6B (indicator) (C.I. No.42750)
CAS Number 1324-76-1
Molecular Formula C37H30N3NaO4S
Catalogue No. AL00039
Molecular Weight 635.71 g/mol
Batch Number AL-2026-AL00039
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay (Dye Content) ≥ 50% 52%
Moisture Content ≤ 5% 3.2%
Residue on Ignition ≤ 1% 0.5%
Related Substances None detected None detected
Solubility Soluble in water Fully soluble in water at room temperature.
Result: The above product is expected to comply with Indicator, dye content 50% grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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