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Pigments

Leading Manufacturer, Supplier & Retailer of Eosin Yellow.

Eosin Yellow

  • Min. Order (MOQ) 10 Kilogram
  • CAS No. 17372-87-1
  • Purity 90% Dye Content
  • Molecular Formula C20H6Br4Na2O5
  • Molecular Weight 691.88
  • Grade For Microscopy
  • Shelf Life 60 Months
  • Physical state at 20 °C Solid
  • Colour Brownish Red
  • Density [g/cm3] 1.018 g/cm3

Details

Appearance Brownish red fine powder
Absorption maxima 515 - 518 nm
Dye content (by spectrophotometry) Min 90%
Solubility (0.1% in water) Clear solution
Absorptivity (A 1%/1cm; at λmax; in water) 1200 - 1400
Loss on drying (at 110°C) Max 8%
Copper (Cu) Max 0.005%
Iron (Fe) Max 0.005%
Nickel (Ni) Max 0.005%
Lead (Pb) Max 0.005%
Suitability (for microscopy) Passes test
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