Certificate of Analysis

Product Name PATENT BLUE V (VF) (C.I. No.42045)
CAS Number 129-17-9
Molecular Formula C27H31N2NaO6S2
Catalogue No. AL01146
Molecular Weight 566.66 g/mol
Batch Number AL-2026-AL01146
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Dark blue powder Dark blue powder
Absorption maxima (pH 5.0) About 638 nm 639 nm
Specific Absorptivity at lambda max About 1200 1275
Result: The above product complies with LR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications