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Certificate of Analysis
Product Name: Propyleneglycol alginate Catalogue Number: GR-131752735
Batch Size: 2000KG Lot Number: 20230301
CAS Number: 9005-37-2 Production Date:
Molecular Formula: C17H28O13 Report Date: 2023-03-01
Molecular Weight: 440.4 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White to light yellow powder Conforms
Esterification degree ≥40.0% 89.1%
Loss on drying ≤20.0% 15.1%
Insoluble ash ≤1.0% 0.2%
Viscosity at 20°C (mPa·s) 35- ~ 600 420
Pb ≤5 ppm Conforms
As ≤2 ppm Conforms
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Date: Date: Date:
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