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Certificate of Analysis
Product Name: 1758-73-2 Catalogue Number: GR-61274
Batch Size: 800KG Lot Number: 20230102
CAS Number: 1758-73-2 Production Date:
Molecular Formula: CH4N2O2S Report Date: 2023-01-02
Molecular Weight: 108.12 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White crystal powder Conforms
Purity ≥99.0% 99.2%
Thiourea residual ≤0.1% 0.05%
Sulfates ≤0.17% 0.14%
Water ≤0.05% 0.03%
Fe ≤10 ppm 4 ppm
Quality stability Stable at 80℃ for 2 hours Conforms
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Date: Date: Date:
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