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ChemicalBook >> CAS DataBase List >>1,2-Dihydroxy-4-nitro-9,10-anthraquinone

1,2-Dihydroxy-4-nitro-9,10-anthraquinone

CAS No.
2243-71-2
Chemical Name:
1,2-Dihydroxy-4-nitro-9,10-anthraquinone
Synonyms
C.I.58020;Alizarine Brown;4-Nitroalizarin;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-
CBNumber:
CB02350385
Molecular Formula:
C14H7NO6
Molecular Weight:
285.21
MDL Number:
MOL File:
2243-71-2.mol

1,2-Dihydroxy-4-nitro-9,10-anthraquinone Properties

Melting point 289°C (rough estimate)
Boiling point 427.65°C (rough estimate)
Density 1.3989 (rough estimate)
refractive index 1.4700 (estimate)

1,2-Dihydroxy-4-nitro-9,10-anthraquinone Chemical Properties,Uses,Production

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.

1,2-Dihydroxy-4-nitro-9,10-anthraquinone Preparation Products And Raw materials

Raw materials

Preparation Products

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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- C.I.Mordant Brown 44:C.I.58020 Mordant Brown 44 2243-71-2