CERTIFICATE OF ANALYSIS

Product Name	ALKALI BLUE 6B (Indicator)	CAS Number	30586-13-1
Molecular Formula	C 32 H S 28 N 3 NaO 4	Catalogue No.	AL0168
Molecular Weight	573.65	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Absorption maxima in methanol : + 1ml 1N HCl Spec. Absorptivity A 1%/1cm lambda max; 0.0003%; methanol + 1ml 1N HCl;calculated on dried substance Transition range pH 11.5 - 13.0 Loss on drying 110 °C	Dark blue powder 600 – 605 nm >950 Blue To Pink-violet <5%	Dark blue powder 603 nm 978 Passes Test 4.50%

Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane