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Merck
CN

Specification Sheet

Product Name
Safranin O suitable for microscopy

Product Number
84120

Product Brand
sigma

CAS Number
477-73-6

Molecular Weight
350.84

Test

Specification

APPEARANCE (COLOR)Green to Very Dark Green
APPEARANCE (FORM)Powder or Crystals
THIN LAYER CHROMATOGR.CORRESPONDS TO STANDARD
SOLUBILITY (COLOR)Red to Very Dark Red
SOLUBILITY (TURBIDITY)Clear to Turbid
SOLUBILITY (METHOD)0.01G IN 10ML METHANOL
PH-TRANSITION0.3
COLORviolet
PH-TRANSITION1.0
COLORred to pink
WAVELENGTH (1) (UV)525.0 - 535.0 nm
EXTINCTION (1%/1CM) (1) (UV)≥ 1000
SOLVENT (UV)ETOH 50 %