CERTIFICATE OF ANALYSIS
Product Name TRYPAN BLUE For Microscopy CAS Number 72-57-1
Molecular Formula C 34 H 24 N 6 Na 4 O 14 S 4 Catalogue No. AL4699
Molecular Weight 960.8 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Dye content
Absorption maxima (in water)
Spec. Absorptivity a1%/1cm max; 0.01g/l in water)
Loss on drying (110°C)
Dark blue crystalline powder
Min. 70.0%
590 - 600 nm
650 - 820
<10%
Dark blue crystalline powder
71.2%
600 nm
759
9.1%
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane