MilliporeSigma
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425281

Sigma-Aldrich

1,3-Bis[4-(dimethylamino)-2-hydroxyphenyl]-2,4-dihydroxycyclobutenediylium dihydroxide, bis(inner salt)

Dye content 97 %

Synonym(s):
OH-SQ
Empirical Formula (Hill Notation):
C20H20N2O4
CAS Number:
Molecular Weight:
352.38
MDL number:
PubChem Substance ID:

composition

Dye content, 97%

mp

>300 °C (lit.)

λmax

638 nm

SMILES string

CN(C)c1ccc([C+]2[C+]([O-])C(=C2[O-])c3ccc(cc3O)N(C)C)c(O)c1

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