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SAFRANINE For Microscopy

C.I. No 50240, Used as a counter stain in some staining protocols, coloring all cell nuclei red.
Basic Red 2, Cotton Red, Gossypimine, Safranin O, Safranin T, Safranin Y or A

COAs

Packings

25 g (00025)

100 g (00100)

1000 g (01000)

1PB1200060 1PB1200500
Print friendly version
Article No. 05625 Grade For Microscopy
Purity CAS No. 477-73-6
Molecular Formula C20H19ClN4 Molecular Weight 350.84
H.S. Code 3204.1310 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Dark reddish brown
Odour Pungent odour Melting point/ Freezing point [°C] >240°C
Solubility in water [% weight] Soluble in water

Specifications

Appearance Dark Greenish coloured powder Absorption maxima (50% ethanol ) 525 – 535 nm
Absorptivity (A 1%/1cm; at λmax) Min 875 Absorbance ratio (A λmax -15 nm/ A λmax +15 nm) 1.10 - 1.32
Loss on drying (at 110°C) Max 15%

Safety Information and Hazard Symbols

Corrosion
Symbol: GHS05
 Signal Word: Danger
 Hazardous Statement: H318
 Precaution Statement: P280-P305 + P351 + P338
Revision Date: 17-Jun-2024

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