CERTIFICATE OF ANALYSIS
Product Name ERIOCHROME CYANINE R AR CAS Number 3564-18-9
Molecular Formula C S 23 H 15 Na 3 O 9 Catalogue No. AL2005
Molecular Weight 536.4 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Absorption maxima (Buffer pH 7.0)
Specific absorptivity (A1%/1cm, 0.02g/l; buffer pH 7.0 calc on dried subs.)
Loss on drying (105°C)
Reddish brown powder
434 – 440 nm
130 - 200
<10.0%
Reddish brown powder
435 nm
200
7.2%
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane