Certificate of Analysis

Product Name BRILLIANT CRESYL BLUE (M.S.)
CAS Number 81029-05-2
Molecular Formula C17H20N3OCl·1/2ZnCl2
Catalogue No. AL00304
Molecular Weight 385.96 g/mol
Batch Number AL-2026-AL00304
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Dark violet colored powder Dark violet colored powder
(spectrophotometrically) Min. 60% 60.25%
Absorption Maxima (ethanol 50%) 623 – 628 nm 625 nm
Spec. Absorptivity A 1%/1cm (?max; 0.005g/l; ethanol 50%) Min. 1500 1500
Loss on drying (110°C) <5.0% <5.0%
Result: The above product complies with LR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications