GB1245516A - A process for the production of an anthraquinone disperse dye - Google Patents

A process for the production of an anthraquinone disperse dye

Info

Publication number
GB1245516A
GB1245516A GB2804069A GB2804069A GB1245516A GB 1245516 A GB1245516 A GB 1245516A GB 2804069 A GB2804069 A GB 2804069A GB 2804069 A GB2804069 A GB 2804069A GB 1245516 A GB1245516 A GB 1245516A
Authority
GB
United Kingdom
Prior art keywords
dihydroxy
reacting
borate
production
dinitroanthraquinone
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
GB2804069A
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of GB1245516A publication Critical patent/GB1245516A/en
Expired legal-status Critical Current

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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/503—Amino-hydroxy-anthraquinones; Ethers and esters thereof unsubstituted amino-hydroxy anthraquinone

Abstract

1,245,516. Anthraquinone compounds. SUMITOMO CHEMICAL CO. Ltd. 3 June, 1969 [14 June, 1968 (2)], No. 28040/69. Heading C4P [Also in Division C2] A 1,8 - dihydroxy - 4,5 - diaminoanthraquinone bromide or chloride is prepared by reacting ebtysazin borate with a nitrating agent in a fuming sulphuric acid having an initial S0 3 content of 10-40% by weight, reacting the resulting mixture containing 1,8-dihydroxy-4,5- dinitroanthraquinone borate with a brominating or chlorinating agent, reacting the resulting mixture containing a 1,8-dihydroxy-4,5-dinitroanthraquinone halide borate with a reducing agent in sulphuric acid medium and recovering the required free halide.
GB2804069A 1968-06-14 1969-06-03 A process for the production of an anthraquinone disperse dye Expired GB1245516A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4127168 1968-06-14
JP4127068 1968-06-14

Publications (1)

Publication Number Publication Date
GB1245516A true GB1245516A (en) 1971-09-08

Family

ID=26380832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2804069A Expired GB1245516A (en) 1968-06-14 1969-06-03 A process for the production of an anthraquinone disperse dye

Country Status (4)

Country Link
CH (1) CH521416A (en)
DE (1) DE1929808A1 (en)
FR (1) FR2010908A1 (en)
GB (1) GB1245516A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2730720C2 (en) * 1977-07-07 1979-07-12 Basf Ag, 6700 Ludwigshafen Process for the preparation of practically pure l-amino-8-nitro-43dihydroxy-anthraquinone
DE2909481A1 (en) * 1979-03-10 1980-09-11 Bayer Ag METHOD FOR PRODUCING 4,5-DINITRO-1,8-DIHYDROXYANTHRACHINONE
DE29814114U1 (en) * 1998-08-06 1999-12-16 Brohl Franz Josef Oil suction device for motor vehicles

Also Published As

Publication number Publication date
FR2010908A1 (en) 1970-02-20
DE1929808A1 (en) 1969-12-18
CH521416A (en) 1972-04-15

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