DE400192C - Process for the preparation of polythionates of aromatic bases - Google Patents

Process for the preparation of polythionates of aromatic bases

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Publication number
DE400192C
DE400192C DEC32689D DEC0032689D DE400192C DE 400192 C DE400192 C DE 400192C DE C32689 D DEC32689 D DE C32689D DE C0032689 D DEC0032689 D DE C0032689D DE 400192 C DE400192 C DE 400192C
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Germany
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parts
polythionates
preparation
aromatic bases
aromatic
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Expired
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DEC32689D
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German (de)
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CHEM FAB VORM WEILER TER MEER
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CHEM FAB VORM WEILER TER MEER
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Priority to DEC32689D priority Critical patent/DE400192C/en
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Publication of DE400192C publication Critical patent/DE400192C/en
Expired legal-status Critical Current

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Description

Verfahren zur Herstellung von Polythionaten aromatischer Basen. Salze der Polythionsäuren mit aromatischen Basen sind bisher unbekannt, und es war angesichts der Zersetzlichkeit der Säuren nicht vorauszusehen, ob derartige Verbindungen beständig sein würden. Es wurde nun gefunden, daß sie sich in großer Reinheit gewinnen lassen, wenn man entweder eine Polythionsäurelösung mit der äquivalenten Menge eines primären aromatischen Amins versetzt, oder in Gegenwart des letzteren Polythionsäuren nach einem der bekannten Verfahren entstehen läßt, oder endlich Alkalipolythionate mit löslichen Salzen primärer aromatischer Amine umsetzt. Die Lösungen werden zur Kristallisation eingedampft und die neuen Verbindungen nötigenfalls durch Umkristallisieren aus Wasser gereinigt.Process for the preparation of polythionates of aromatic bases. Salts of polythionic acids with aromatic bases are heretofore unknown and it was given The decomposability of the acids cannot foresee whether such compounds are stable would be. It has now been found that they can be won in great purity, if you either have a polythionic acid solution with the equivalent amount of a primary added aromatic amine, or in the presence of the latter polythionic acids one of the known processes, or finally with alkali polythionates converts soluble salts of primary aromatic amines. The solutions become crystallization evaporated and the new compounds, if necessary, by recrystallization Water purified.

Die erhaltenen, meist sehr gut kristallisierenden und durchaus beständigen Salze können mannigfache Verwendung finden, und zwar außer auf engerem chemisch-technischem Gebiete auch für therapeutische Zwecke sowie zur Schädlingsbekämpfung. Beispiele: i. Eine 5o Teile Arsentrioxyd enthaltende Lösung von 93o Teilen Anilin in ¢5¢o Teilen zoprozentiger Salzsäure wird mit einer Lösung von 313o Teilen Natriumthiosulfat in 30oo Teilen Wasser vermischt. Dann erwärmt man auf 5o°, filtriert von Arsensulfid und Schwefel ab und dampft zur Kristallisation ein. Die sich ausscheidenden Kristalle werden, wenn nötig, durch nochmaliges Umkristallisieren von anhaftendem Anilinchlorhydrat befreit. Die Ausbeute beträgt 1670 Teile des reinen Anilintetrathionats. Das Salz, dessen wässrige Lösung stark sauer reagiert, ist sowohl trocken " als auch in Lösung bei höheren Temperaturen beständig; die trockene Verbindung zersetzt sich erst oberhalb von 18o° unter Abgabe von Schwefeldioxyd.The preserved ones, mostly crystallizing very well and quite stable Salts can be used in many ways, except in the narrower chemical and technical fields Areas also for therapeutic purposes and for pest control. Examples: i. A solution containing 50 parts of arsenic trioxide and 93o parts of aniline in 5 o parts 10% hydrochloric acid is treated with a solution of 3130 parts of sodium thiosulfate mixed in 30oo parts of water. Then it is warmed to 50 °, filtered from arsenic sulfide and sulfur and evaporated to crystallize. The separating crystals if necessary, by repeated recrystallization of adhering aniline chlorohydrate freed. The yield is 1670 parts of the pure aniline tetrathionate. The salt, whose aqueous solution reacts strongly acidic, is both "dry" and in solution resistant at higher temperatures; the dry compound only decomposes above of 180 ° with the release of sulfur dioxide.

z. zoo Teile Natriumtrithionat werden in 25o Teilen Wasser gelöst und dazu zoo Teile Anilinchlorhydrat in 3oo Teilen Wasser gegeben. Man gewinnt durch Kristallisation 25o Teile reines Anilintrithionat.z. zoo parts of sodium trithionate are dissolved in 250 parts of water and added to this zoo parts of aniline chlorohydrate in 300 parts of water. You win through Crystallization 250 parts of pure aniline trithionate.

3. Aus 287 Teilen o-Toluidinclilorhydrät und 27o Teilen Natriumtetrathionat, gelöst in je 3oo Teilen Wasser, werden in gleicher Weise 4o5 Teile o-Toluidintetrathionatgewonnen und durch Umkristallisieren gereinigt.3. 405 parts of o-toluidine tetrathionate are obtained in the same way from 287 parts of o-toluidine chlorohydrate and 27o parts of sodium tetrathionate, each dissolved in 300 parts of water, and purified by recrystallization.

Claims (1)

PATENT-ANsPRUClI: Verfahren zur Herstellung von Polythionaten aromatischer Basen, darin bestehend, daß man Polythionsäurelösungen mit primären aromatischen Aminen versetzt oder Polythionsäuren in Gegenwart primärer aromatischer Amine entstehen läßt oder lösliche Polythionate mit Salzen der genannten Amine umsetzt.PATENT APPLICATION: Process for the production of aromatic polythionates Bases, consisting in that one polythionic acid solutions with primary aromatic Amines are added or polythionic acids are formed in the presence of primary aromatic amines leaves or converts soluble polythionates with salts of the amines mentioned.
DEC32689D 1922-10-10 1922-10-10 Process for the preparation of polythionates of aromatic bases Expired DE400192C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEC32689D DE400192C (en) 1922-10-10 1922-10-10 Process for the preparation of polythionates of aromatic bases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC32689D DE400192C (en) 1922-10-10 1922-10-10 Process for the preparation of polythionates of aromatic bases

Publications (1)

Publication Number Publication Date
DE400192C true DE400192C (en) 1924-08-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
DEC32689D Expired DE400192C (en) 1922-10-10 1922-10-10 Process for the preparation of polythionates of aromatic bases

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DE (1) DE400192C (en)

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