CERTIFICATE OF ANALYSIS
Product Name RHODAMINE B For Microscopy CAS Number 81-88-9
Molecular Formula C 28 H 31 ClN 2 O 3 Catalogue No. AL3908
Molecular Weight 479.02 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Loss on drying at 105°C
Absorptivity (A 1%/1cm;  Max, in 50%ethanol, on dried substance)
Suitability for microscopy
Dark green crystalline powder
<5%
Min 2100
Passes test
Dark green crystalline powder
4.1%
2208
Passes test
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane