The title compound (C. I. Solvent Yellow 8), C(16)H(12)N(2)O, crystallizes with two crystallographically independent mol-ecules in the asymmetric unit. The planarity of both mol-ecules is slightly distorted, the dihedral angles between the benzene ring and the naphthalene system being 9.04 (8) and 5.69 (3)°. In the crystal, O-H⋯N hydrogen bonds between the hydr-oxy groups and azo N atoms link the two symmetry-independent mol-ecules into a polymeric chain propagating in [001].
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2968944 | PMC |
| http://dx.doi.org/10.1107/S1600536809009866 | DOI Listing |
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