Certificate of Analysis

Product Name TRYPAN BLUE (M.S.) (C.I. No.23850)
CAS Number 72-57-1
Molecular Formula C34H24N6O14S4Na4
Catalogue No. AL01546
Molecular Weight 960.80 g/mol
Batch Number AL-2026-AL01546
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Dark blue crystalline powder Dark blue crystalline powder
Dye content Min. 70.0% 71.2%
Absorption maxima (in water) 590 - 600 nm 600 nm
Spec. Absorptivity a1%/1cm max; 0.01g/l in water) 650 - 820 759
Loss on drying (110°C) <10% 9.1%
Result: The above product complies with LR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications