Description
Safranine O powder dye is intended for microscopy staining using different methods. It is most commonly used for staining according to Gram as a counterstain. Also used for staining bacterial spores, demonstration of glycosaminoglycans and nuclei in human and animal samples.
Synonyms: Basic Red 2, Gossypimine, Safranin Y or A, Safranin T, Cotton Red
Empirical Formula (Hill Notation): C20H19ClN4
Molecular Weight: 350.84
PROPERTIES
grade
for microscopy (Bact., Bot., Hist.)
indicator (pH 0.3-1.0)
form
powder or crystals
technique(s)
titration: suitable
pH
10 (20 °C, 10 g/L)
solubility
methanol: 0.01 g/10 mL, red
εmax
≥1000 at 525-535 nm in 50% ethanol
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
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