Certificate of Analysis

Product Name CATECHOL VIOLET AR
CAS Number 115-41-3
Molecular Formula C19H14O7S
Catalogue No. AL00419
Molecular Weight 386.38 g/mol
Batch Number AL-2026-AL00419
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Blue colored powder Blue colored powder
Absorption maxima in water About 441 nm 441 nm
Suitability test as metal indicator Passes test Passes test
Result: The above product complies with AR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications