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Certificate of Analysis
Product Name: Cysteamine 30% Water Solution Catalogue Number: GR-6058-30
Batch Size: 500KG Lot Number: 20230110
CAS Number: 60-23-1 Production Date:
Molecular Formula: C2H7NS Report Date: 2023-01-08
Molecular Weight: 77.15 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance Colorless to light yellow liquid Conforms
Assay 29.0%~30.0% 30.3%
pH 9.5~11.0 9.9
Fe ≤3 ppm Conforms
NaCl ≤1.0% Conforms
As ≤2 ppm Conforms
Hevay metals ≤5 ppm Conforms
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Date: Date: Date:
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