CERTIFICATE OF ANALYSIS

Product Name CATECHOL VIOLET AR CAS Number 115-41-3
Molecular Formula C S 19 H 14 O 7 Catalogue No. AL1172
Molecular Weight 386.38 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Absorption maxima in water
Suitability test as metal indicator
Blue colored powder
About 441 nm
Passes test
Blue colored powder
441 nm
Passes test
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur