Congo red 1% in aqueous solution
Glass bottle, 1 L
- Transition range: pH 3,0 - 5,2
: Disodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate), Sodium 3,3'-([1,1'-biphenyl]-4,4'-diylbis(diazene-2,1-diyl))bis(4-aminonaphthalene-1-sulphonate), CI 22120, Direct Red 28
- :573-58-0
- :C₃₂H₂₂N₆Na₂O₆S₂
- :MFCD00004028
- :696.67 g/mol
- :~100 °C (1013 hPa)
- :1 g/cm³ (20 °C)
- :Ambient
- :209-358-4
- Appearance:Dark red liquid
- Identification:Passes test
- Pack type:Glass bottle
- Pk:1 L



