Certificate of Analysis

Product Name CHROMOTROPE 2B (C.I.No.16575)
CAS Number 548-80-1
Molecular Formula C16H9N3Na2O10S2
Catalogue No. AL0490A
Molecular Weight 513.37 g/mol
Batch Number AL-2026-AL0490A
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 95% 96.5%
Moisture Content ≤ 5% 3.2%
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 C.I. 16575 (Acid red 176) grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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