CERTIFICATE OF ANALYSIS
Product Name TOLUIDINE BLUE For Microscopy CAS Number 92-31-9
Molecular Formula C S 15 H 16 ClN 3 Catalogue No. AL4613
Molecular Weight 305.83 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Dye content (Spect.)
Absorption Maxima (in water)
Absorptivity (0.005 g/l in water, at ? maximum)
Loss on drying at 110°C
Min 85%
628 – 633 nm
Min 1200
<8.0%
85.2%
629 nm
1221
4.1%
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane