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SZSE：002741
Chemical Reagents
Congo red (C.I. 22120) COA Report
  • CAS No.：573-58-0
  • Molecular weight：696.68
  • Aliases：Direct Red 28
  • Molecular formula：C32H22N6Na2O6S2
  • EC No.：209-358-4
Information
Specification category：
Product No. Product name specifications
1.28041.010 Congo red (C.I. 22120) IND25g
Technical indicators：
Item Ind
Transition range 0 Bluish violet~5.2Red
Insoluble matter in water ≤1.0%
Loss on drying ≤5.0%
Residue on ignition(as SO4) ≤27.0%
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