1,2-Dihydroxy-4-nitro-9,10-anthraquinone
1,2-Dihydroxy-4-nitro-9,10-anthraquinone Basic information
- Product Name:
- 1,2-Dihydroxy-4-nitro-9,10-anthraquinone
- Synonyms:
-
- 1,2-Dihydroxy-4-nitro-9,10-anthracenedione
- 1,2-Dihydroxy-4-nitro-9,10-anthraquinone
- 4-Nitroalizarin
- Alizarine Brown
- C.I.58020
- C.I.Mordant Brown 44
- 1,2-dihydroxy-4-nitroanthracene-9,10-dione
- 9,10-Anthracenedione, 1,2-dihydroxy-4-nitro-
- CAS:
- 2243-71-2
- MF:
- C14H7NO6
- MW:
- 285.21
- Mol File:
- 2243-71-2.mol
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1,2-Dihydroxy-4-nitro-9,10-anthraquinone Chemical Properties
- Melting point:
- 289°C (rough estimate)
- Boiling point:
- 427.65°C (rough estimate)
- Density
- 1.3989 (rough estimate)
- refractive index
- 1.4700 (estimate)
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1,2-Dihydroxy-4-nitro-9,10-anthraquinone Usage And Synthesis
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.