Identification | Back Directory | [Name]
1,2-Dihydroxy-4-nitro-9,10-anthraquinone | [CAS]
2243-71-2 | [Synonyms]
C.I.58020 4-Nitroalizarin Alizarine Brown Mordant Brown 44 C.I.Mordant Brown 44 C.I.Mordant Brown 44:C.I.58020 1,2-Dihydroxy-4-nitro-9,10-anthraquinone 1,2-Dihydroxy-4-nitro-9,10-anthracenedione 1,2-dihydroxy-4-nitroanthracene-9,10-dione 9,10-Anthracenedione, 1,2-dihydroxy-4-nitro- | [Molecular Formula]
C14H7NO6 | [MOL File]
2243-71-2.mol | [Molecular Weight]
285.21 |
Chemical Properties | Back Directory | [Melting point ]
289°C (rough estimate) | [Boiling point ]
427.65°C (rough estimate) | [density ]
1.3989 (rough estimate) | [refractive index ]
1.4700 (estimate) |
Hazard Information | Back Directory | [Preparation]
(a) 1,2-Dihydroxyanthraquinone dibenzoate?nitrifying after hydrolysis; (b) 1,2-Dihydroxyanthracene-9,10-dione in sulfuric acid of nitration: (C) 1,2-Dihydroxyanthracene-9,10-dione in Arsenic acid, the presence of hemihydrate?in sulfuric acid of nitration. | [Properties and Applications]
dark brown. Soluble in ethanol. In concentrated sulfuric acid for yellow red, dilution after yellow flocks. |
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