CERTIFICATE OF ANALYSIS

Product Name	SODIUM FORMALDEHYDE SULFOXYLATE HYDRATE Extra Pure	CAS Number	149-44-0
Molecular Formula	CH 3 NaO O 3 S.XH 2	Catalogue No.	AL5898
Molecular Weight	6035-47-8	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Assay (Iodometric calculated with reference to dried substance) (as SO2) Loss on drying at 105°C Clarity & colour of 5% solution Alkalinity pH of 2% solution Iron (Fe) Sulphide	White big flakes 45 - 55% NMT 27% Clear & colorless Passes test 9.5 – 10.5 <10 ppm Passes test	White big flakes 51.2% 13.62% Clear & colorless Passes test 9.91 <10 ppm Passes test

Result: The above product complies with EP grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane