CERTIFICATE OF ANALYSIS
Product Name CHLOROPHENOL RED INDICATOR AR CAS Number 4430-20-0
Molecular Formula C S 19 H 12 Cl 2 O 5 Catalogue No. AL1323
Molecular Weight 423.27 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Transition range
Sp. Absorptivity 1%,1cm, .1N NaOH at 574 – 576 nm
Loss on drying (110°C)
Red powder
pH 4..8 - Brownish yellow pH 6.4 - Red-violet
Min. 1000
<8%
Red powder
pH 4..8 - Brownish yellow pH 6.4 - Red-violet
1054
7%
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane