DE198508C - - Google Patents

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Publication number
DE198508C
DE198508C DE1907198508D DE198508DA DE198508C DE 198508 C DE198508 C DE 198508C DE 1907198508 D DE1907198508 D DE 1907198508D DE 198508D A DE198508D A DE 198508DA DE 198508 C DE198508 C DE 198508C
Authority
DE
Germany
Prior art keywords
nitroso
chlorodiethylaniline
dye
acid
gallamic
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 - Lifetime
Application number
DE1907198508D
Other languages
German (de)
Filing date
Publication of DE198508C publication Critical patent/DE198508C/de
Application filed filed Critical
Priority to AT37889D priority Critical patent/AT37889B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B19/00Oxazine dyes
    • C09B19/005Gallocyanine dyes

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

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

PATENTSCHRIFTPATENT LETTERING

-JVr 198508 -KLASSE 22 c. GRUPPE 4. -JVr 198508 - CLASS 22 c. GROUP 4.

Verfahren zur Darstellung eines Gallocyaninfarbstoffs.Process for the preparation of a gallocyanine dye.

Patentiert im Deutschen Reiche vom 22. Mai 1907 ab.Patented in the German Empire on May 22, 1907.

Es wurde gefunden, daß man durch Einwirkung von ρ -Nitroso- m-chlordiäthylanilin auf Gallaminsäure zu einem wertvollen Gallocyaninfarbstoff gelangt, der sich vor dem analogen halogenfreien Produkt, dem Cölestinblau, durch seine wertvollen grüneren klaren Nuancen auszeichnet.It has been found that the action of ρ -nitroso- m-chlorodiethylaniline on gallamic acid to a valuable gallocyanine dye which comes before the analogous halogen-free product, the cölestin blue, characterized by its valuable greener clear nuances.

Beispiel.Example.

17 kg Gallaminsäure und 37 kg salzsaures ρ-Nitroso-m-chlordiäthylanilin werden mit 250 1 Alkohol angerührt und die so erhaltene Masse so lange im Wasserbade erhitzt, bis die Nitrosoverbindung verschwunden ist. Der ausgeschiedene Farbstoff wird darauf abfiltriert und mit Wasser gewaschen. Der neue Körper bildet ein dunkles Pulver, das sich in konzentrierter Schwefelsäure mit violetter Farbe auflöst. Er wird zur Verwendung im Druck in bekannter Weise mit Hilfe von Natriumbisulfit in seine lösliche Leukoverbindung übergeführt und liefert so mit essigsaurem Chrom gedruckt grünstichig blaue klare Nuancen.17 kg of gallamic acid and 37 kg of hydrochloric acid ρ-nitroso-m-chlorodiethylaniline are with 250 1 alcohol and the resulting mass is heated in a water bath until the nitroso compound has disappeared. The precipitated dye is then filtered off and washed with water. The new body forms a dark powder that turns into concentrated sulfuric acid with purple color. It is used in the Pressure in a known manner with the help of sodium bisulfite into its soluble leuco compound and thus delivers greenish blue clear nuances printed with acetic acid chrome.

Das p-Nitroso-m-chlordiäthylanilin stellt in Form der freien Base ein dunkelgrünes Pulver dar, das sich in Alkohol mit gelber Farbe auflöst. Es schmilzt bei 76 bis 770. The p-nitroso-m-chlorodiethylaniline is a dark green powder in the form of the free base, which dissolves in alcohol with a yellow color. It melts at 76 to 77 0 .

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung eines Gallocyaninfarbstoffs, darin bestehend, daß man p-Nitroso-m-chlordiäthylanilin auf Gallaminsäure einwirken läßt.A method for preparing a gallocyanin dye, consisting in that p-nitroso-m-chlorodiethylaniline is allowed to act on gallamic acid.
DE1907198508D 1907-05-21 1907-05-21 Expired - Lifetime DE198508C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT37889D AT37889B (en) 1907-05-21 1908-06-15 Process for preparing a gallocyanine dye.

Publications (1)

Publication Number Publication Date
DE198508C true DE198508C (en)

Family

ID=461297

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1907198508D Expired - Lifetime DE198508C (en) 1907-05-21 1907-05-21

Country Status (1)

Country Link
DE (1) DE198508C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1118830A2 (en) 2000-01-22 2001-07-25 Modine Manufacturing Company Device for joining two heat exchangers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1118830A2 (en) 2000-01-22 2001-07-25 Modine Manufacturing Company Device for joining two heat exchangers

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