CERTIFICATE OF ANALYSIS
Product Name o-CRESOLPHTHALEIN COMPLEXONE For Complexometry CAS Number 2411-89-4
Molecular Formula C 32 H 32 N 2 O 12 Catalogue No. AL1554
Molecular Weight 636.61 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Absorption maxima in 0.1M NaOH
Specific Absorptivity at lambda max
Water (by KF)
Suitability as metal indicator
Beige colored powder
577 – 580 nm
Min. 750
<10%
Passes test
Beige colored powder
577 nm
761
8.66%
Passes test
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane