CH163187A - Process for the preparation of a water-soluble dye of the anthraquinone series. - Google Patents

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

Info

Publication number
CH163187A
CH163187A CH163187DA CH163187A CH 163187 A CH163187 A CH 163187A CH 163187D A CH163187D A CH 163187DA CH 163187 A CH163187 A CH 163187A
Authority
CH
Switzerland
Prior art keywords
water
preparation
soluble dye
anthraquinone series
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
Publication of CH163187A publication Critical patent/CH163187A/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
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/26—Carbazoles of the anthracene series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr. 160757.         Verfahren    zur Darstellung eines wasserlöslichen Farbstoffes der     Anthraehinonreihe.       Das vorliegende Verfahren betrifft die  Darstellung eines wasserlöslichen Farbstoffes  der     Anthrachinonreihe    und ist dadurch ge  kennzeichnet, dass man     1-Benzoylamino-2-          broin-4-beta-naphtylaminoarithi-achinon    mit  rauchender Schwefelsäure     (5/o    80s) behan  delt.

      <I>Beispiel:</I>    5 Teile     1-Benzoylamino-2-bi-om-4-beta-          naphtylaminoanthrachiiion    werden in 40 Tei  len rauchender Schwefelsäure (5 0%     SOs)    ge  löst und solange auf 40 o erhitzt, bis alles  wasserlöslich geworden ist. Der Farbstoff  wird durch Eingiessen in Wasser oder Eis,  wobei er ausfällt, und     Abfiltrieren    isoliert.  



  Er stellt in trockenem Zustande ein dun  kelbraunes Pulver dar, welches sich in Wasser  leicht löst und Wolle in rotstickig     braunen     Tönen von guten     Echtheiten    anfärbt.  



  Der     Farbstoff    hat wahrscheinlich die fol  gende     .Konstitution     
EMI0001.0015     




  <B> Additional patent </B> to main patent no. 160757. Process for the preparation of a water-soluble dye of the anthraquinone series. The present process relates to the preparation of a water-soluble dye of the anthraquinone series and is characterized in that 1-benzoylamino-2-broin-4-beta-naphthylaminoarithi-aquinone is treated with fuming sulfuric acid (5 / o 80s).

      <I> Example: </I> 5 parts of 1-benzoylamino-2-bi-om-4-betanaphtylaminoanthrachiiion are dissolved in 40 parts of fuming sulfuric acid (50% SOs) and heated to 40 ° until everything has become water soluble. The dye is isolated by pouring it into water or ice, whereupon it precipitates, and filtering off.



  In the dry state it is a dark brown powder which dissolves easily in water and dyes wool in red-embroidered brown shades with good fastness properties.



  The dye probably has the following constitution
EMI0001.0015

Claims (1)

PATENTANSPRUCH Verfahren zur Darstellung eines wasser löslichen Farbstoffes der Anthrachinonreihe, dadurch gekennzeichnet, dass man 1-Benzoyl- amiri o-2-brom-4- Beta- n aphtylaminoanthrachi- non mit rauchender Schwefelsäure behandelt. Der Farbstoff stellt in trockenem Zustande ein dunkelbraunes Pulver dar, welches sich in Wasser leicht löst und Wolle in rotstickig braunen Tönen von guten Echtheiten anfärbt. PATENT CLAIM Process for the preparation of a water-soluble dye of the anthraquinone series, characterized in that 1-benzoylamine-o-2-bromo-4-betanaphtylaminoanthraquinone is treated with fuming sulfuric acid. In the dry state, the dye is a dark brown powder which dissolves easily in water and dyes wool in red-embroidered brown shades of good fastness properties.
CH163187D 1932-03-12 1932-03-12 Process for the preparation of a water-soluble dye of the anthraquinone series. CH163187A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH160757T 1932-03-12
CH163187T 1932-03-12

Publications (1)

Publication Number Publication Date
CH163187A true CH163187A (en) 1933-07-31

Family

ID=25717369

Family Applications (1)

Application Number Title Priority Date Filing Date
CH163187D CH163187A (en) 1932-03-12 1932-03-12 Process for the preparation of a water-soluble dye of the anthraquinone series.

Country Status (1)

Country Link
CH (1) CH163187A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2658899A (en) * 1951-06-07 1953-11-10 Allied Chem & Dye Corp Sulfonated anthraquinone naphthocarbazole dyestuffs and process for preparing them

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2658899A (en) * 1951-06-07 1953-11-10 Allied Chem & Dye Corp Sulfonated anthraquinone naphthocarbazole dyestuffs and process for preparing them

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