CERTIFICATE OF ANALYSIS
Product Name QUINALDINE RED INDICATOR Indicator grade CAS Number 117-92-0
Molecular Formula C 21 H 23 IN 2 Catalogue No. AL3888
Molecular Weight 430.32 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Absorption
Absorptivity (A 1% 1 cm, l max glacial acetic acid on dried substance)
Water
Suitability as indicator pH1.4 - 3.2
Green colored powder
maxima 528-533 nm
1150-1250
<5.0%
Colorless to red
Green colored powder
532 nm
1152
4.1%
Colorless to red
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane