AT10036B - Process for the preparation of red triphenylmethane dyes. - Google Patents

Process for the preparation of red triphenylmethane dyes.

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Publication number
AT10036B
AT10036B AT10036DA AT10036B AT 10036 B AT10036 B AT 10036B AT 10036D A AT10036D A AT 10036DA AT 10036 B AT10036 B AT 10036B
Authority
AT
Austria
Prior art keywords
sep
red
preparation
triphenylmethane dyes
acetic acid
Prior art date
Application number
Other languages
German (de)
Inventor
Jules Ville
Original Assignee
Jules Ville
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jules Ville filed Critical Jules Ville
Application granted granted Critical
Publication of AT10036B publication Critical patent/AT10036B/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

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<tb> 
<tb> 1#0 <SEP> Theile <SEP> Diäthylmethamidophenol
<tb> 1#5 <SEP> # <SEP> krystallisiertes <SEP> Natriumarsenat
<tb> 1#5 <SEP> # <SEP> # <SEP> Natriumacetat
<tb> 3#0 <SEP> # <SEP> Eisessig
<tb> 0#5 <SEP> # <SEP> krystallisiertes <SEP> Chloralhydrat.
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   Die Farbstofflösung färbt Wolle und Seide in neutralem oder leicht mit Essigsäure angesäuertem Bade in sehr schönen roten, mehr oder minder tiefen Nuancen. Auf tannierter Baumwolle sind die Nuancen ein wenig matter und bläulicher. 



   Mit dem Dimethylmetamidophenol erhält man einen ähnlichen Farbstoff, wenn man wie bei der Darstellung des   Äthylderivates   verfährt. 



   Die Base bildet nadelförmige, blau irisierende Kristalle und ist in Wasser, selbst in   heissem, sehr wenig löslich.   Ihr Chlorhydrat ist gleichfalls sehr wenig, wie das der mit Diäthylmetamidophenol erhaltenen Base, in Wasser löslicb. 



   Die mit diesem Farbstoff erhaltenen Färbungen sind weniger intensiv und weniger schön, als die des   Äthylderivates.  



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<tb>
<tb> 1 # 0 <SEP> Part <SEP> Diethylmethamidophenol
<tb> 1 # 5 <SEP> # <SEP> crystallized <SEP> sodium arsenate
<tb> 1 # 5 <SEP> # <SEP> # <SEP> sodium acetate
<tb> 3 # 0 <SEP> # <SEP> glacial acetic acid
<tb> 0 # 5 <SEP> # <SEP> crystallized <SEP> chloral hydrate.
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   The dye solution dyes wool and silk in a neutral bath or bath slightly acidified with acetic acid in very beautiful red, more or less deep shades. On tannin cotton, the nuances are a little more matt and bluish.



   A similar dye is obtained with dimethylmetamidophenol if one proceeds as in the representation of the ethyl derivative.



   The base forms needle-shaped, blue iridescent crystals and is very sparingly soluble in water, even in hot water. Its hydrochloride is also very little soluble in water, like that of the base obtained with diethylmetamidophenol.



   The colorations obtained with this dye are less intense and less beautiful than those of the ethyl derivative.

Claims (1)

PATENT-ANSPRUCH : Verfahren zur Darstellung rother Triphenylmethanfarbstoffe, dadurch gekennzeichnet, dass man Choralhydrat mit Dialkylmotamidophenolen in Gegenwart von Eisessig, Natriumacetat und eines Oxydatiionsmittels condensiert. PATENT CLAIM: Process for the preparation of red triphenylmethane dyes, characterized in that choral hydrate is condensed with dialkylmotamidophenols in the presence of glacial acetic acid, sodium acetate and an oxidizing agent.
AT10036D 1901-03-25 1901-03-25 Process for the preparation of red triphenylmethane dyes. AT10036B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT10036T 1901-03-25

Publications (1)

Publication Number Publication Date
AT10036B true AT10036B (en) 1902-11-25

Family

ID=3504697

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10036D AT10036B (en) 1901-03-25 1901-03-25 Process for the preparation of red triphenylmethane dyes.

Country Status (1)

Country Link
AT (1) AT10036B (en)

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