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Certificate of Analysis
Product Name: Sodium 2-naphthol-7-sulfonate Catalogue Number: GR-23667647
Batch Size: N/A Lot Number: 20230306
CAS Number: 135-55-7 Production Date:
Molecular Formula: C10H7NaO4S Report Date: 2023-03-06
Molecular Weight: 246.22 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance Off-white powder Off-white powder
Purity(HPLC) min. 96.0 % 97.8%
Water max. 8.0 % 7.1%
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