Certificate of Analysis

Product Name SAFRANINE (M.S.) (C.I. No.50240)
CAS Number 477-73-6
Molecular Formula C20H19ClN4
Catalogue No. AL01298
Molecular Weight 350.84 g/mol
Batch Number AL-2026-AL01298
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Dark Greenish colored powder Dark Greenish colored powder
Absorption Maxima in (50% ethanol) 530 - 534 nm 532 nm
Specific Absorptivity (A 1%/1cm at ? max) 1260 - 1570 1510
Loss on drying at 110°C <15.0% Passes test
Suitability for microscopy Passes test
Result: The above product complies with LR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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