CERTIFICATE OF ANALYSIS
Product Name NEUTRAL RED INDICATOR AR CAS Number 553-24-2
Molecular Formula C 15 H 17 ClN 4 Catalogue No. AL3201
Molecular Weight 288.78 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Absorption max. (in 50% ethanol)
Transition range
Minimum dye content
Dark brown to black with Red or green cast Powder
539-544 nm
pH 6.8-8.0
90%
Dark brown to black with Red or green cast Powder
540 nm
7
91%
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane