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Certificate of Analysis
Product Name: 5-Sulfoisophthalic acid Catalogue Number: GR-80714
Batch Size: 10KG Lot Number: 20241104
CAS Number: 22326-31-4 Production Date:
Molecular Formula: C8H6O7S Report Date: 2024-11-02
Molecular Weight: 246.2 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White Powder Conforms
Assay ≥90.0% 92.8%
Acid Value(mg KOH/g) ≤1000 638
Sulfate ≤ 500 ppm 193 ppm
Fe ≤10 ppm 4.3 ppm
Chloride ≤10 ppm 3.5 ppm
Water ≤1.0% 0.66%
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