Organic compounds

Details Organic compounds Organic compounds

C - Chemistry, Metallurgy

09

B

260/155, 8/19

C09B 29/00 (2006.01) C09B 45/04 (2006.01) C09B 62/507 (2006.01) D06P 1/02 (2006.01)

Patent

CA 1248941

- 70 - IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS Abstract of the Disclosure A monoazo or disazo compound in metal-free form or in 1:1 or 1:2 metal complex form which in the metal-free form corresponds to formula I CH2=CH-SO2-W1-D - N = N - K-(W2-Z)n I in which D is the radical of a diazo component, K is the radical of a coupling component, W1 is a direct bond or a divalent bridging group, W2 is a divalent bridging group, n is an integer 1 to 4, Z is a water solubilising protonable amine group, a quaternary ammonium group, a hydrazinium group or a ternary sulphonium group, which compound is in free basic, salt form or acid addition salt form formed by the addition of dilute aqueous organic or mineral acids, can be used for dyeing or printing fibres, threads or textile material particularly containing or consisting of natural or synthetic polyamides, cotton, polyacrylonitrile, leather or fibre blends such as cotton-polyester, polyester-wool and polyacrylonitrile- wool.

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