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1-Methylamino-4-bromo anthraquinone CAS 128-93-8

  • 1-Methylamino-4-bromo anthraquinone CAS 128-93-8...
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Detailed introduction



CAS number:128-93-8
molecular formula:C15H10BrNO2
molecular weight:316.15
EINECS number:204-920-5

English synonyms

1-BROMO-4-METHYLAMINO-ANTHRAQUINONE;1-METHYLAMINO-4-BROMO ANTHRAQUINONE;1-bromo-4-(methylamino)-10-anthracenedione;1-bromo-4-(methylamino)-anthraquinon;1-Bromo-4-methylamino-9,10-anthracenedione;4-BROMO-1-(METHYLAMINO)ANTHRAQUINONE;1-Methylamine-4-Bromoanthraquinone;1-methylamino-4-bromanthrachinon

Related categories

General reagents; Ketones; Organic raw materials; Pharmaceutical raw materials; Organic chemical raw materials; Other raw materials; Chemical raw materials; Benzene compounds; Pharmaceutical raw materials; Intermediates of Dyes and Pigments

Chemical properties

Melting point

195.5°C

Boiling point

510.1±50.0 °C(Predicted)

Density

1.5512 (rough estimate)

Refractive index

1.6320 (estimate)

Acidity coefficient(pKa)

1.41±0.20(Predicted)

CAS database

128-93-8(CAS DataBase Reference)

Use

●  Organic synthesis intermediates.

●  Used as dye intermediate

●  1-methylaminoanthraquinone, derived by bromination. Bromine was added to the mixture of 1-methylaminoanthraquinone and pyridine, and the mixture was stirred and heated for 6h. Cool, filter out the solid, wash with hot water to remove pyridine hydrobromide, and dry to obtain 4-bromo-1-methylaminoanthraquinone in a yield of 70-74%.

Production method

●  1-methylaminoanthraquinone, derived by bromination. Bromine was added to the mixture of 1-methylaminoanthraquinone and pyridine, and the mixture was stirred and heated for 6h. Cool, filter out the solid, wash with hot water to remove pyridine hydrobromide, and dry to obtain 4-bromo-1-methylaminoanthraquinone in a yield of 70-74%.

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