CERTIFICATE OF ANALYSIS
Product Name METHYLENE BLUE For Microscopy CERTIFIED CAS Number 61-73-4
Molecular Formula C 16 H 18 ClN 3 SxH 2 O Catalogue No. AL3054
Molecular Weight 319.859 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Dye content
Spec. Absorbance A1%/1cm (lambda max 0.003g/l; ethanol 50%)
L.O.D
A dark green colored powder
About 82%
660 - 665nm
10 - 15%
A dark green colored powder
92%
662.5 nm
10.21%
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane