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Certificate of Analysis
Product Name: potassium 3-hydroxybutyrate Catalogue Number: GR-23668518
Batch Size: 500KG Lot Number: 20230623
CAS Number: 39650-04-9 Production Date:
Molecular Formula: C4H7KO3 Report Date: 2023-06-21
Molecular Weight: 142.19 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White powder Conforms
Assay ≥97.0% 99.86%
Loss on drying ≤1.0% 0.25%
Free BHB ≥70.0% 70.46%
K 27.0%-28.0% 27.43%
Calcium silicate 1.0% 1.0%
Heavy metals ≤10 ppm Conforms
Pb ≤3 ppm Conforms
Hg ≤0.1 ppm Conforms
Cd ≤1 ppm Conforms
As ≤1 ppm Conforms
Mesh 100% pass 20 mesh Conforms
Bulk density ≥0.35 g/ml 0.57 g/ml
Tapped density ≥0.60 g/ml 0.78 g/ml
Total plate count ≤1000 cuf/g Conforms
Yeast & Mold ≤100 cuf/g Conforms
E.Coli ND ND
Salmonella ND ND
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