GB289241A - Manufacture of sulphur dyestuffs - Google Patents

Manufacture of sulphur dyestuffs

Info

Publication number
GB289241A
GB289241A GB862427A GB862427A GB289241A GB 289241 A GB289241 A GB 289241A GB 862427 A GB862427 A GB 862427A GB 862427 A GB862427 A GB 862427A GB 289241 A GB289241 A GB 289241A
Authority
GB
United Kingdom
Prior art keywords
sulphocyano
derivative
dyestuff
diphenylamine
oxy
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
GB862427A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB862427A priority Critical patent/GB289241A/en
Publication of GB289241A publication Critical patent/GB289241A/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
    • C09B49/00—Sulfur dyes
    • C09B49/06—Sulfur dyes from azines, oxazines, thiazines or thiazoles

Landscapes

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

Abstract

289,241. Imray, O. Y., (I. G. Farbenindustrie Akt.-Ges.). March 29, 1927. Sulphuretted dyes are produced by treating an amino-or oxy-aryl compound with free sulphocyanogen or a compound yielding the same and converting the resulting sulphocyano derivative into the corresponding thiophenol or disulphide. According to one example, 8-oxy-1 : 2-naphthophenazine is converted into its sulphocyano derivative by the process of Specification 240,420, namely by treatment with sulphuryl chloride and lead sulphocyanide in the presence of carbon tetrachloride. The leuco dyestuff or the dyestuff itself is then obtained by boiling with sodium disulphide or caustic soda and precipitating the product by passing in air or by adding acetic or other acid. According to other examples sulphuretted dyes are prepared in a similar manner from the sulphocyano derivatives of 8: 8<1>-diaxy-1 : 2 : 1<1> : 2<1>-dinaphthazine, tolusafranine and tri (diphenylamine) methane hydrochloride. With the exception of the sulphocyano derivative of tri (diphenylamine) methane which is a dyestuff, the sulphocyano derivatives are in general insoluble resinous products.
GB862427A 1927-03-29 1927-03-29 Manufacture of sulphur dyestuffs Expired GB289241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB862427A GB289241A (en) 1927-03-29 1927-03-29 Manufacture of sulphur dyestuffs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB862427A GB289241A (en) 1927-03-29 1927-03-29 Manufacture of sulphur dyestuffs

Publications (1)

Publication Number Publication Date
GB289241A true GB289241A (en) 1928-04-26

Family

ID=9856043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB862427A Expired GB289241A (en) 1927-03-29 1927-03-29 Manufacture of sulphur dyestuffs

Country Status (1)

Country Link
GB (1) GB289241A (en)

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