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CH160949A - Process for the preparation of a new water-soluble dye of the anthraquinone series. - Google Patents

Process for the preparation of a new water-soluble dye of the anthraquinone series.

Info

Publication number
CH160949A
CH160949A CH160949DA CH160949A CH 160949 A CH160949 A CH 160949A CH 160949D A CH160949D A CH 160949DA CH 160949 A CH160949 A CH 160949A
Authority
CH
Switzerland
Prior art keywords
red
dye
preparation
bluish
soluble dye
Prior art date
Application number
Other languages
German (de)
Inventor
Sandoz Chemische Fabri Vormals
Original Assignee
Chem Fab Vormals Sandoz
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 Chem Fab Vormals Sandoz filed Critical Chem Fab Vormals Sandoz
Priority to CH160949D priority Critical patent/CH160949A/en
Publication of CH160949A publication Critical patent/CH160949A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/02—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic ring being only condensed in peri position
    • C09B5/14—Benz-azabenzanthrones (anthrapyridones)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

      Zusatzpatent    zum Hauptpatent Nr. 156452.    Verfahren zur Darstellung eines neuen wasserlöslichen     Farbstoffes     der     Anthrachinonreihe.       Das vorliegende Verfahren     betrifft    die  Darstellung eines roten     Farbstoffes    und be  steht darin, dass man die Verbindung der  Formel  
EMI0001.0006     
    mit wässeriger     Kaliumsulfitlösung    behandelt  und die erhaltene     Monosulfosäure    aus dem  Reaktionsgemisch isoliert.    <I>Beispiel:</I>  Man erhitzt 1 Teil der Verbindung von  der Formel  
EMI0001.0009     
    mit 1 Teil     Kaliumsulfit,    2 Teilen Wasser  und 4 Teilen Phenol während 8 Stunden  auf 120  .

   Man bläst das Phenol mit Wasser  dampf ab, filtriert von wenig Unlöslichem  ab und fällt den Farbstoff mit Glaubersalz.  In getrocknetem Zustande stellt er ein leb  haft blaurotes Pulver dar. Er löst sich blau  stichig rot in Wasser und gelb in Schwefel  säure. Die     sehwefelsaure    Lösung wird beim  Erwärmen mit Borsäure ziegelrot; sie zeigt  nun eine gelbe Fluoreszenz.  



  Der     Farbstoff    färbt Wolle und Seide in      echten, blaustichig roten Tönen von grosser  Lebhaftigkeit. Auf anorganische Substrate  niedergeschlagen, liefert er lebhaft rote Lacke  von ausgezeichneter Lichtechtheit.



      Additional patent to main patent No. 156452. Process for the preparation of a new water-soluble dye of the anthraquinone series. The present process relates to the preparation of a red dye and consists in the fact that the compound of the formula
EMI0001.0006
    treated with aqueous potassium sulfite solution and the resulting monosulfonic acid isolated from the reaction mixture. <I> Example: </I> Heat 1 part of the compound of the formula
EMI0001.0009
    with 1 part of potassium sulfite, 2 parts of water and 4 parts of phenol for 8 hours to 120.

   The phenol is blown off with steam, little insolubles are filtered off and the dye is precipitated with Glauber's salt. When dry it is a vivid, bluish-red powder. It dissolves in water with a blue tinge and yellow in sulfuric acid. The sulfuric acid solution turns brick-red when heated with boric acid; it now shows a yellow fluorescence.



  The dye dyes wool and silk in real, blue-tinged red tones with great vividness. When deposited on inorganic substrates, it gives vivid red coatings of excellent lightfastness.

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung eines roten Farbstoffes, dadurch gekennzeichnet, dass man die Verbindung der Formel EMI0002.0002 mit wässeriger Kaliumsulfitlösung behandelt und die erhaltene 11Zonosulfosäure aus dem Reaktionsgemisch isoliert. Der Farbstoff stellt in trockenem Zu stande ein lebhaft blaurotes Pulver dar. Er löst sich blaustichig rot in Wasser und gelb in Schwefelsäure. Die schwefelsaure Lösung wird beim Erwärmen mit Borsäure ziegelrot; sie zeigt nun eine gelbe Fluoreszenz. Der Farbstoff färbt Wolle und Seide in echten, blaustichig roten Tönen von grosser Lebhaftigkeit. Auf anorganische Substrate niedergeschlagen, liefert er lebhaft rote Lacke von ausgezeichneter Lichtechtheit. PATENT CLAIM: Process for the preparation of a red dye, characterized in that the compound of the formula EMI0002.0002 treated with aqueous potassium sulfite solution and the obtained 11-zonosulfonic acid isolated from the reaction mixture. When dry, the dye is a vivid bluish-red powder. It dissolves in water with a bluish tinge and yellow in sulfuric acid. The sulfuric acid solution turns brick-red when heated with boric acid; it now shows a yellow fluorescence. The dye dyes wool and silk in real, bluish red tones with great vivacity. When deposited on inorganic substrates, it gives vivid red coatings of excellent lightfastness.
CH160949D 1931-11-08 1931-11-08 Process for the preparation of a new water-soluble dye of the anthraquinone series. CH160949A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH160949D CH160949A (en) 1931-11-08 1931-11-08 Process for the preparation of a new water-soluble dye of the anthraquinone series.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH156452T 1931-11-08
CH160949D CH160949A (en) 1931-11-08 1931-11-08 Process for the preparation of a new water-soluble dye of the anthraquinone series.

Publications (1)

Publication Number Publication Date
CH160949A true CH160949A (en) 1933-03-31

Family

ID=25716778

Family Applications (1)

Application Number Title Priority Date Filing Date
CH160949D CH160949A (en) 1931-11-08 1931-11-08 Process for the preparation of a new water-soluble dye of the anthraquinone series.

Country Status (1)

Country Link
CH (1) CH160949A (en)

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