Certificate of Analysis

Product Name DISULPHINE BLUE (C.I. No.42045)
CAS Number 129-17-3
Molecular Formula C27H31N2NaO6S2
Catalogue No. AL0655E
Molecular Weight 566.7 g/mol
Batch Number AL-2026-AL0655E
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 Not more than 1% 0.8%
Solubility Soluble in water Fully soluble
Result: The above product is expected to comply with C.I. No.42045 grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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