318825
Congo Red solution
0.1 wt. % in H2O
Synonym(s):
Congo, Congo Red 4B, Cosmos Red, Cotton Red B or C, Direct Red 28, Direct Red, C,R, or Y
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About This Item
Empirical Formula (Hill Notation):
C32H22N6Na2O6S2
CAS Number:
Molecular Weight:
696.66
Beilstein:
3894858
MDL number:
UNSPSC Code:
12171500
concentration
0.1 wt. % in H2O
pH
3.0-5.0, blue to red
density
0.995 g/mL at 25 °C
λmax
497 nm
SMILES string
[Na+].[Na+].Nc1c(cc(c2ccccc12)S([O-])(=O)=O)\N=N\c3ccc(cc3)-c4ccc(cc4)\N=N\c5cc(c6ccccc6c5N)S([O-])(=O)=O
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