DE372071C - Process for the preparation of thionine series dyes - Google Patents

Process for the preparation of thionine series dyes

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Publication number
DE372071C
DE372071C DEB101684D DEB0101684D DE372071C DE 372071 C DE372071 C DE 372071C DE B101684 D DEB101684 D DE B101684D DE B0101684 D DEB0101684 D DE B0101684D DE 372071 C DE372071 C DE 372071C
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DE
Germany
Prior art keywords
thionine
preparation
series dyes
dyes
sulfur
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DEB101684D
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German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DR HEINZ BERBERICH
Original Assignee
DR HEINZ BERBERICH
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 DR HEINZ BERBERICH filed Critical DR HEINZ BERBERICH
Priority to DEB101684D priority Critical patent/DE372071C/en
Application granted granted Critical
Publication of DE372071C publication Critical patent/DE372071C/en
Expired legal-status Critical Current

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Description

Verfahren zur Herstellung von Farbstoffen der thioninreihe. Bisher hat man s,c)h#-#vefel!hia,-lt#ige Farbstoffe, insbesondere salöhe der Thion.in#i#eihe, a-Iso solche miit einem heterocyklis,dhen Ring- system, welches Schwefel und Stickstoff ent- hält, diadurch lerhailten, daß man p4Phenylen- diamin bzw. diesslen. Allky#l!sittibstieuti#cuspro- dukte mit Schwefel zusammenischmolz odIer aber mit Schwefetwesslerstoff' in wäßriger Lösung unter gleichzeitiger -Oxydation be- Ihandelte, oder ;alber, 4indem m-%n auf Um- wegen, z. B. über Th,.ioisulfo#sältireidierivate, das Merikaiptan herstellte und #diiies mit einem zweiten B#enzdl#abkömmlin#,- zusammen or.Ky- dierte. Gegenstanid, des vorliegenden Verfahriens ist #die iHerstetlung von solchen ischwefel- haltigen Farbstoffen von größter Ähnlichleeit im Aus,sehen und dhetnischen. -Verhalten mit Lauthsrihem Viollett bzw. dessien Al#'kylsulys;t;i- ttitio"n#sp,r#od,utkt-en, z. B. Methylenbliau, indem p-Ph,en-ylien,cli#aTnii!n bzw. idesis,en Alk3ismib#sti- tutionsprodukte in sia#lz,saur#er, wäßriger Lösung zusammen mit kolloidialem Schwefel indier Kälte als auch in der Hitze der Oxv- diation unterworfen werden. B e i s p i e 1. 8,2 1 kg Diniethyl-p-phenylen- diamin werden in 8 1 konzentrierter Salzsäure tind i5o 1 Wasser gelöst. Hierzu werden 39 1 Schwefehnilch zugegeben, in der 0,78 kg Schwefel enthalten sind. Unter Rühren der ganzen erwärmten Masse läßtman eine konzentrierte Lösung von 5,5 kg Kaliumbichroinat zufließen. Der gebildete Fatibstoff wird mit Chlorzink, evtl. unter Zusatz von Kochsalz gefällt. Ausbeute etwa:2 kg. Process for the preparation of thionine series dyes. So far one has s, c) h # - # vefel! Hia, -lt # ige dyes, especially salöhe of the Thion. in # i # eihe, a-Iso those with a heterocyclis, i.e. the ring system that produces sulfur and nitrogen is held by the fact that one p4-phenylene diamine or diesslen. Allky # l! Sittibstieuti # cuspro- Products with sulfur melted or melted but with sulfuric acid in water Loading solution while simultaneously -Oxydation I acted, or; alber, 4in that m-% n because of, e.g. B. on Th, .ioisulfo # sältireidierivate, that Merikaiptan made and #diiies with one second B # enzdl # abkömmlin #, - together or.Ky- dated. Subject matter of the present proceedings is # the production of such issulfur containing dyes of the greatest similarity out of sight, see and dhetnic. - Behave with Lauthsrihem Viollett or dessien Al # 'kylsulys;t; i- ttitio "n # sp, r # od, utkt-en, e.g. Methylenbliau by p-Ph, en-ylien, cli # aTnii! n or idesis, en Alk3ismib # sti- tution products in sia # lz, acidic, watery Solution together with colloidal sulfur in the cold as well as in the heat of the Oxv- be subjected to diation. Eg p ie 1. 8.2 1 kg diniethyl-p-phenylene- diamine in 8 1 of concentrated hydrochloric acid tind i5o 1 water dissolved. 39 l of sulfur milk containing 0.78 kg of sulfur are added to this. While stirring the whole heated mass, a concentrated solution of 5.5 kg of potassium bichroinate is allowed to flow in. The formed fat is precipitated with zinc chloride, possibly with the addition of table salt. Yield about: 2 kg.

Die in der oben beschriebenen guten Ausbeute #effia#ltenen# Falibstoffe sind vorzüglich geeignet zutr Woll- und Seidefärberei, ebenso geben,,sie schöne Töne auf tannierter Baumwoille. Vor den bekannten. Verfahren hat es #cl,en Vorzug Ader Einfachheit, auch liefert es höhere Ausbeuten an Farbstoff.The pulps which are effective in the good yield described above are eminently suitable for dyeing wool and silk, they also give beautiful Tones on tannic cotton wool. Before the known. Procedure has # cl, en preference Because of its simplicity, it also provides higher yields of dye.

Claims (1)

PATENT-ANSPRUCII-
-,Verfahren, zur Herstellung von Farbstoffen der Thioninreihe, dadurch gekennzeichnet, daß man p-Phenylendli:amin oder dessen Alkyls-Lilostitutionsprodukte mit kolloixfalem Schwefel in wäßriger, salzsaurer Lösung kalt oder heiß bei Gegenwart eines Oxydationsmittels behandelt. PATENT APPLICATION
-, Process for the preparation of dyes of the thionine series, characterized in that p-Phenylenedli: amine or its alkyls-lilostitution products are treated with colloidal sulfur in aqueous, hydrochloric acid solution cold or hot in the presence of an oxidizing agent.
DEB101684D 1921-09-22 1921-09-22 Process for the preparation of thionine series dyes Expired DE372071C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB101684D DE372071C (en) 1921-09-22 1921-09-22 Process for the preparation of thionine series dyes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB101684D DE372071C (en) 1921-09-22 1921-09-22 Process for the preparation of thionine series dyes

Publications (1)

Publication Number Publication Date
DE372071C true DE372071C (en) 1923-03-20

Family

ID=6990219

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB101684D Expired DE372071C (en) 1921-09-22 1921-09-22 Process for the preparation of thionine series dyes

Country Status (1)

Country Link
DE (1) DE372071C (en)

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