CERTIFICATE OF ANALYSIS
Product Name PONCEAU S For Electrophoresis CAS Number 6226-79-5
Molecular Formula C 22 H 12 N 4 Na 4 O 13 S 4 Catalogue No. AL5550
Molecular Weight 760.56 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Dye content
Absorption maximum (in water)
TLC test
Loss on drying at 110°C
Suitability for microscopy
A dark red crystalline powder
(Min.) 80%
517-523 nm
Passes test
<10%
Passes test
A dark red crystalline powder
80.29%
518 nm
Passes test
8.1%
Passes test
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane