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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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