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Certificate of Analysis
Product Name: 5-Sulfoisophthalic acid monolithium salt Catalogue Number: GR-23688987
Batch Size: 20KG Lot Number: 20230306
CAS Number: 46728-75-0 Production Date:
Molecular Formula: C8H5LiO7S Report Date: 2023-03-06
Molecular Weight: 252.2 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White powder Conforms
Purity ≥99.0% 99.88%
Chlorides ≤20 ppm 3.5 ppm
Acid Value(mg KOH/g) ≤600 443
Sulfates ≤100 ppm 32.5 ppm
Fe ≤10 ppm 7 ppm
Water ≤0.5% 0.3%
pH 2.0~3.0 2.03
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Date: Date: Date:
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