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Certificate of Analysis
Product Name: Ethyl cellulose Catalogue Number: GR-24832091
Batch Size: 500KG Lot Number: 20230408
CAS Number: 9004-57-3 Production Date:
Molecular Formula: C20H38O11 Report Date: 2023-04-08
Molecular Weight: 454.5 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White powder or granules Conforms
Ethoxyl 47.5~49.5% 47.8%
Viscosity (cp) 3.0~5.6 4.3
Loss on drying ≤3.0% 2.1%
Ignition residue ≤0.4% 0.19%
Acetaldehyde ≤0.01% Conforms
Chlorides ≤0.1% Conforms
As ≤3 ppm Conforms
Pb ≤3 ppm Conforms
Hg ≤1 ppm Conforms
Cd ≤1 ppm Conforms
Heavy metals ≤10 ppm Conforms
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Date: Date: Date:
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