cas 117-05-5, N-(5-chloro-9,10-dihydro-9,10-dioxo-1-anthryl)benzamide | Articles data ｜lookchem

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117-05-5

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Process for the preparation of 1-acylamino-5(8)-chloroanthraquinones
The invention relates to a novel process for the preparation of 1-acylamino-5(8)-chloroanthraquinones, which are starting materials for the preparation of vat dyes. It is characterized in that 1,5(8)-dichloroanthraquinones is reacted with ammonia at temperatures of 190° to 240° C., the amino groups in the reaction mixture are completely acylated and the more sparingly soluble diacylaminoanthraquinone is separated off from the more readily soluble monoacylaminochloroanthraquinone. The new process yields reaction products which are purer and cheaper than those which are obtained by conventional methods. Moreover there are smaller waste water problems.
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(2008/06/13)

Triazinyl dyes
Vat dyestuffs of the formula EQU1 wherein R represents alkyl with 1 to 4 carbon atoms, R1 and R2 represent hydrogen or alkyl with 1 to 4 carbon atoms and each of A1 and A2 represents a vattable radical with 3 to 7 condensed rings are characterized by improved resistance to alkali and are suitable for dyeing and printing the most diverse materials, in particular fibers made from natural or regenerated cellulose.
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(2008/06/13)

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Chemical Properties

Boiling Point: 506.2°Cat760mmHg
Flash Point:260°C
Density: 1.447g/cm³
Vapor Pressure: 2.26E-10mmHg at 25°C
Refractive Index: 1.6470 (estimate)
PSA: 63.24000
LogP: 4.44070

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