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Blue B Base or Ortho-dianisidine base is a chemical compound that is used as a reagent in organic synthesis, particularly in the preparation of azo dyes. It is also used as an intermediate in the manufacturing of other chemicals. The ortho-dianisidine molecule has two isomers, ortho and meta, which have different properties and uses.
| Product Characteristics | Product Detail |
|---|---|
| CAS No | 119-90-4 |
| Formula | C14H16N2O2 |
| Molecular Weight | 244.32 |
| Synonyms | Benzidine,3,3′-dimethoxy- (8CI);Fast Blue B Base (6CI);3,3′-Dimethoxy-4,4′-diaminobiphenyl;Dianisidine;FastBlue Base B;3,3′-Dimethoxy-4,4′-diaminodiphenyl;3,3′-Dimethoxybenzidene;3,3′-Dimethoxybenzidine;4,4′-Bi-o-anisidine;4,4′-Diamino-3,3′-dimethoxy-1,1′-biphenyl;Amacel Developed Navy SD;AzogeneFast Blue B;Blue BN Base;Blue Base Irga B;Blue Base NB;Cellitazol B;Cibacete Diazo Navy Blue 2B;Fast Blue DSC Base;Kayaku Blue B Base;Lake Blue B Base;NSC 3168;o-Dianisidine; |
| EINECS | 204-355-4 |
| Density | 1.178 g/cm3 |
| Melting Point | 137-138 `C(lit.) |
| Boiling Point | 391.3 `C at 760 mmHg |
| Flash Point | 202.8 `C |
| Solubility | slightly soluble in water |
| Appearance | Grey fine crystals |
| Application | Direct Dyes, Pigments |