CERTIFICATE OF ANALYSIS

Product Name	ALIZARINE RED S AR	CAS Number	130-22-3
Molecular Formula	C14H7NaO7S	Catalogue No.	AL0164
Molecular Weight	342.3	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Dye content (by spectrophotometry on dried substance) Transition range pH 4.3-6.3 Transition range pH 9.4-12.0 Absorption maximum in 0.1N NaOH ?1max Absorption maximum 0.1N Absorption maximum 0.1N	Red powder Min. 80.0% Brilliant yellow to pink Brown orange to violet 553 - 559 nm 592 - 599nm	Red powder 80.00% Brilliant yellow to pink Brown orange to violet 554 nm 594 nm

Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane