CERTIFICATE OF ANALYSIS
Product Name CHROMOTROPE 2R For Microscopical Staining CAS Number 4197-07-3
Molecular Formula C 16 H 10 N 2 Na 2 O 8 S 2 Catalogue No. AL1384
Molecular Weight 468.4 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Dye content
Abs. Maxima (0.1% in methanol)
Sp. Absorptivity (0.1% in methanol)
Brownish red powder
Min. 85.0%
About 510 nm
Min. 500
Brownish red powder
86%
511 nm
588
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane