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% |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane