CERTIFICATE OF ANALYSIS
Product Name XYLIDINE PONCEAU For Microscopy CAS Number 3761-53-3
Molecular Formula C 18 H 14 N 2 Na 2 O 7 S 2 Catalogue No. AL4812
Molecular Weight 480.43 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Absorption maxima in water
Brownish red powder
About 506 nm
Brownish red powder
507 nm
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane