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Certificate of Analysis
Product Name: 2-(4-Aminoanilino)-5-nitrobenzenesulphonic acid Catalogue Number: GR-3265240
Batch Size: 800KG Lot Number: 20230206
CAS Number: 91-29-2 Production Date:
Molecular Formula: C12H11N3O5S Report Date: 2023-02-06
Molecular Weight: 309.3 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance Reddish brown to greenish powder Conforms
Purity ≥90.0% 92.0%
Insolubles ≤0.2% 0.06%
PPD ≤0.5% 0.2%
PNCBOSA ≤0.5% 0.2%
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Date: Date: Date:
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