Safranine O, dark green powder C.I. 50240

Supplier: MP Biomedicals
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Synonyms: Safranin TSafranin Y3,7-Diamino-2,8-dimethyl-5-phenylphenazinium chlorideSafranin OGossypimine3,7-Diamino-2,8-dimethyl-5-phenylphenazin-5-ium chlorideCI 50240Basic Red 2Cotton RedSafranin ASafranin

ICNA0215204025EA 104 GBP
ICNA0215204025 ICNA0215204005 ICNA0215204080
Safranine O, dark green powder C.I. 50240
Safranine O

Safranine O is a redox and adsorption indicator.


Safranine O is a biological stain used in histology, cytology, bacteriology.


Soluble in ethanol 50% (Clear, orange-red solution with fluorescence).

Formula: C₂₀H₁₉ClN₄
MW: 350.85 g/mol
Density: 1.447 g/cm³ (22 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011759
CAS Number: 477-73-6
EINECS: 207-518-8

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Specification Test Results

Identity Test Passes
UV/Vis: l max (50% ethanol) 530 ± 5 nm

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