Certificate of Analysis

Product Name ALIZARIN AR (pH indicator) (C.I.No.58000)
CAS Number 72-48-0
Molecular Formula C14H8O4
Catalogue No. AL00034
Molecular Weight 240.22 g/mol
Batch Number AL-2026-AL00034
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Orange coloured powder Orange coloured powder
Sensitivity pH 5.0 - Yellow Passes Test
Melting point pH 7.2 - Reddish-violet Passes Test
Sulphated Ash 287 - 291°C 289°C
Loss on drying <1.0% 0.8%
<3.0% 2.0%
Result: The above product complies with AR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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