Certificate of Analysis

Product Name a-NAPHTHOLBENZEIN (pH indicator)
CAS Number 145-50-6
Molecular Formula C27H18O2
Catalogue No. AL01049
Molecular Weight 374.43 g/mol
Batch Number AL-2026-AL01049
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Dark reddish black powder Dark reddish black powder
pH 8.5 - 9.8 Yellow to Green Yellow to Green
Result: The above product complies with LR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications