Certificate of Analysis

Product Name CONGO RED indicator (C.I.No.22120)
CAS Number 573-58-0
Molecular Formula C32H22N6Na2O6S2
Catalogue No. AL00528
Molecular Weight 696.66 g/mol
Batch Number AL-2026-AL00528
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Brownish red powder Brownish red powder
Absorption maxima (in buffer pH 5.2) 484 – 489 nm 489 nm
pH 3.0 - 5.2 Blue-Violet to Red orange Blue-Violet to Red orange
Result: The above product complies with LR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications