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Certificate of Analysis
Product Name: Trimanganese tetraoxide Catalogue Number: GR-90479253
Batch Size: 2000KG Lot Number: 20230104
CAS Number: 1317-35-7 Production Date:
Molecular Formula: Mn3O4 Report Date: 2023-01-04
Molecular Weight: 228.812 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance Dark green to Dark red to Black powder to crystal Conforms
Mn ≥65.0% 69.1%
SiO2 ≤1.0% 0.11%
Fe2O3 ≤3.0% 0.5%
Average particle size um D50 1 ~ 5 3.1
Specific gravity 4.7 ~ 4.9 4.8
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