Safranine O

CHEMICAL NAME    : 3,7- Diamino – 2, 8- dimethyl – 5- phenyl - phenazinium chloride

• C.A.S. NO. : 477- 73-6
• C.I. NO. : 50240
• M.F. : C₂₀H₁₉N₄CI
• M.W. : : 350.85 gm/mole    

Specifications :

• Appearance :Dark green crystalline powder
• Dye Content (Spectrophotometric) : > 98%
• Solubility 0.1% (50% EtOH) :Clear orange red solution with fluorescence
• Absorption maximum (50% Ethanol)max  :530 – 534 nm
• Absorptivity : >1450
• (A1% / 1cm in 50% Ethanol, at max)
• Loss on drying (110ºC for 1 hr) : < 5%