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Certificate of Analysis
Product Name: 2-Amino-1,4-benzenedisulfonic acid Catalogue Number: GR-60988
Batch Size: 800KG Lot Number: 20230109
CAS Number: 98-44-2 Production Date:
Molecular Formula: C6H7NO6S2 Report Date: 2023-01-09
Molecular Weight: 253.3 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White to off-white powder Conforms
Purity ≥80.0% 82.6%
Free salt ≤10.0% 7.0%
Total impurities ≤0.05% 0.01%
Water ≤9.0% 8.0%
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Date: Date: Date:
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