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Certificate of Analysis
Product Name: Phenolphthalein Catalogue Number: RR-4764
Batch Size: 1000KG Lot Number: 20250320
CAS Number: 77-09-8 Production Date:
Molecular Formula: C20H14O4 Report Date: 2025-03-18
Molecular Weight: 318.3 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White or off-white powder Conforms
Assay 98.0% ~ 101.0% 99.25%
Loss on drying ≤0.5% 0.12%
Chloride ≤100 ppm Conforms
Sulfate ≤200 ppm Conforms
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