Certificate of Analysis
Product Name
ROSE BENGAL AR (C.I. No.45440)
CAS Number
632-69-9
Molecular Formula
C20H2Cl4I4Na2O5
Catalogue No.
AL01293
Molecular Weight
1017.64 g/mol
Batch Number
AL-2026-AL01293
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | Dark red powder | Dark red powder |
| Absorption maximum max (0.001%; in water + 1ml 1% Na2CO3 Solution) | 544 - 550nm | 547 nm |
| Absorptivity (A1%/1cm in water + 1ml 1% Na2CO3 Solution at max) | Min. 780 | 796 |
| Loss on drying (110°C) | Max. 10% | 6.1% |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane
