CERTIFICATE OF ANALYSIS
Product Name AURIN (Dye Content) CAS Number 603-45-2
Molecular Formula C 19 H 14 O 3 Catalogue No. AL0514
Molecular Weight 290.32 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Absorbance
Sensitivity at pH 5.0
Sensitivity at pH 6.8
Dark red colored powder
Max. 482 – 487 nm
Yellow
Pink
Dark red colored powder
485 nm
Yellow
Pink
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane