, Volume 37, Issue 4, pp 379-380

Alcian dyes: I.C.I. cease manufacture and release details of composition

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Summary

ICI (the developers and main suppliers) have ceased manufacture of Alcian dye stuffs. Authentic information on the constitution and formulation of Alcian blues and Alcian yellow has been released and is set out in this note.

My sincere thanks are due to Dr. D. S. Davies, General Manager of Research and Development, I.C.I., for his good offices, and to Dr. A. K. Gupta, Research Director, I.C.I. Organics Division, who read this manuscript and checked the accuracy of the statements made therein.