Anaranjado de xilenol, sal tetrasódica in ACS Reagent grade water, Sigma-Aldrich®

Proveedor: SIGMA ALDRICH MICROSCOPY

Sinónimos: Xylenol orange water soluble, 2,2',2'',2'''-((((1,1-Dioxido-3H-benzo[c][1,2]oxathiole-3,3-diyl)bis(6-hydroxy-5-methyl-3,1-phenylene))bis(methylene))bis(azanetriyl))tetraacetic acid, sodium salt (1:4)

M-Clarity™ quality level = MQ200

398187-1G 398187-25G 398187-5G
398187-1GEA 67.6 EUR
398187-1G 398187-25G 398187-5G
Anaranjado de xilenol, sal tetrasódica in ACS Reagent grade water, Sigma-Aldrich®
Anaranjado de xilenol, sal tetrasódica

Xylenol orange tetrasodium salt is a fluorochrome acid dye with complexing and chelating properties that make it useful as an indicator in the spectrophotometric detection and assay of metal ions such as calcium, cadmium, bismuth, zinc, lead, and mercury. Its tetrasodium salt especially is used as an indicator in metal titrations. It changes color from yellow to red between pH 6.4 to 10.4. It has six potentially anionic substituents, one being sulfonate, and is anionic under staining conditions and during most laboratory applications.


  • Xylenol Orange has been used as a vital stain to study calcification in bone development, injury, and repair
  • It has been used in the fluorescent histochemical detection of alkaline phosphatase
  • It has been used in FBX (ferrous benzoic xylenol orange) gel preparation to study the effects of MRI (magnetic resonance imaging) parameters on image quality

Formula: C₃₁H₂₈N₂Na₄O₁₃S
MW: 760,59 g/mol
Pto. de fusión: 195 °C (dec., lit.)
Temperatura de almacenaje: Room Temperature
Número MDL: MFCD00044293
Núm. CAS: 3618-43-7
EINECS: 222-805-8
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Resultados test especificaciones

Appearance (Colour) Very Dark Brown to Very Dark Red
Appearance (Form) Powder or Crystals
Infrared spectrum Conforms to Structure
Use Test Pass
Appearance (Clarity), Clarity of Solution Pass
Meets ACS Requirements Current ACS Specification
Recommended Retest Period 3 Years

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