CERTIFICATE OF ANALYSIS

Product Name	DIMETHYL SULPHOXIDE AR	CAS Number	67-68-5
Molecular Formula	C 2 H 6 OS	Catalogue No.	AL1877
Molecular Weight	78.13	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Assay (GC) Wt /ml at 20°C Freezing point Refractive index Water Non -volatile matter Copper (Cu) Iron (Fe) Lead (Pb) Solubility (10% in water)	A clear colorless liquid Min. 99.0% 1.099-1.10g 18.0-18.4°C 1.478-1.479 <0.1% <0.01% <0.0001% <0.0001% <0.0001% Clear & colourless	A clear colorless liquid 99.8% 1.0991g 18.10°C 1.478 0.05% <0.01% <0.0001% <0.0001% 0.00009% Clear & colourless

Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane