Eosin B (C.I. 45400) [548-24-3]

45400) [548-24-3] is used across pharmaceutical, biochemical, and research settings as a vital stain and indicator. Its molecular structure, represented by the formula C20H6Br2N2Na2O9, has a calculated mass of 624.06. This compound belongs to the family of sodium compounds and carboxylic acid salts, substituted. In its pure form, Eosin B appears as a red to brown powder, soluble in water to produce a clear red solution. It exhibits an absorption ratio of 0.96-1.22 at a wavelength of maximum absorption between 515.0-525.0nm. This product, specifically, features a loss on drying of up to 10.0%, making it suitable for various applications within the specified field. When handling Eosin B, Proper storage in ambient conditions is essential to maintain its integrity.

• CAS Number: 548-24-3
• Absorption Ratio: 0.96-1.22
• Categories: Stains & Indicators
• Molecular Formula: C20H6Br2N2Na2O9
• Harmonised Tariff Code: 32129000
• Appearance: Red to brown Powder
• Exact Mass: 623.82149
• Molecular Weight: 624.06