Certificate of Analysis

Product Name b-NAPHTHOL VIOLET AR
CAS Number 7143-21-7
Molecular Formula C16H9N3O9S2Na2
Catalogue No. AL01052
Molecular Weight 497.37 g/mol
Batch Number AL-2026-AL01052
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Brownish red powder Brownish red powder
pH 10.0 – 12.0 Brown to Violet Brown to Violet
Result: The above product complies with AR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications