CERTIFICATE OF ANALYSIS

Product Name	ALIZARINE RED S	CAS Number	130-22-3
Molecular Formula	C 14 H 7 NaO 7 S	Catalogue No.	AL0163
Molecular Weight	342.3	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Dye Content Absorption maximum in 0.1N NaOH ?1max Absorption maximum 0.1N NaOH ?2max Absorptivity (A1%/1cm at ?1max; 0.0015% in 0.1 N NaOH) Absorptivity (A1%/1cm at 595 ?2max; 0.0015% in 0.1 N NaOH) Loss on drying (110°C)	Red powder Min. 70% 553 - 559 nm 592 - 599nm 305 - 480 330 - 520 <10%	Red powder 70% 557 nm 595 nm 33.7 368.1 6.70%

Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane