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Certificate of Analysis
Product Name: Sodium hypophosphite monohydrate Catalogue Number: RR-92739
Batch Size: 5000KG Lot Number: 20231208
CAS Number: 10039-56-2 Production Date:
Molecular Formula: NaH2PO2 · H2O Report Date: 2023-12-06
Molecular Weight: 105.99 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White crystalline granular or powder Conforms
Assay ≥102.0% 103.52%
Sodium phosphite ≤0.5% 0.11%
Ca ≤40 ppm 7 ppm
Fe ≤2 ppm 0.27 ppm
As ≤1 ppm 0.20 ppm
Pb ≤1 ppm 0.24 ppm
Sulfate ≤200 ppm 15 ppm
Chloride ≤100 ppm 21 ppm
pH(5% water solution) 5.5 ~ 8.5 6.66
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