CERTIFICATE OF ANALYSIS
Product Name METHYL BLUE AQUEOUS SOLUTION CAS Number 28983-56-4
Molecular Formula C 37 H 27 N 3 Na 2 O 9 S 3 Catalogue No. AL3033
Molecular Weight 799.81 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Absorption Maxima (in 0.005M, HCl)
Specific absorptivity (in 0.005M, HCl)
Loss on drying at 110°C
Suitability for microscopy
Bluish black powder
595 – 605 nm
675 - 1125
<7.0%
Passes test
Bluish black powder
603 nm
680
5.5%
Passes test
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane