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CAS RN: 548-24-3 | Product Number: E0204

Acid Red 91

  • Eosin Bluish
  • Imperial Red
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Product Number E0204
Molecular Formula / Molecular Weight C__2__0H__6Br__2N__2Na__2O__9 = 624.06  
Physical State (20 deg.C) Solid
CAS RN 548-24-3
Reaxys Registry Number 4121964
PubChem Substance ID 87569492
Merck Index (14) 3602
Colour Index 45400
MDL Number


Appearance Amber to Brown powder to crystal
Lambda max. 514.0 to 518.0 nm(H2O)
Absorbance(E1%1cm) min. 900(H2O, 514.0 to 518.0 nm)
Properties (reference)
Maximum Absorption Wavelength 516(H2O) nm
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