CERTIFICATE OF ANALYSIS
Product Name SODIUM DITHIONITE Extra Pure CAS Number 7775-14-6
Molecular Formula Na 2 S 2 O 4 Catalogue No. AL4133
Molecular Weight 174.11 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Assay
Chloride (Cl)
Iron (Fe)
White crystalline powder
85.0 - 87.0%
<0.01%
<0.002%
White crystalline powder
86.1%
<0.01%
0.001%
Result: The above product complies with EP grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane