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Kilogram scale Manufacture of high specification dichroic dyes

The new Pilot Plant team at CSS have recently completed their first kilogram production of an ultra-high specification azo dichroic dye.

Using the new pilot plant facility at CSS, the 7-stage chemical synthesis was completed without incident, delivering material to the customer in better than expected purity and activity.

The challenging synthesis included several stages of azo chemistry followed by careful chromatography to ensure the removal of trace elements and organic impurities.