Certificate of Analysis
Product Name
QUINALDINE RED indicator
CAS Number
117-92-0
Molecular Formula
C21H23IN2
Catalogue No.
AL1283C
Molecular Weight
430.32 g/mol
Batch Number
AL-2026-AL1283C
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | Green colored powder | Green colored powder |
| Absorption | maxima 528-533 nm | 532 nm |
| Absorptivity (A 1% 1 cm, l max glacial acetic acid on dried substance) | 1150-1250 | 1152 |
| Water | <5.0% | 4.1% |
| Suitability as indicator pH1.4 - 3.2 | Colorless to red | Colorless to red |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane
