[2] Following a period of decline, the site was taken over by another French expatriate, Angel Raphael Louis Delaunay, who arrived in the area at the turn of the 19th century to establish his own dyeing business in Blackley.

[2] Following the death of Delaunay's son and heir Louis, German chemical entrepreneur Ivan Levinstein bought the dyeworks in 1865, leading to a period of commercial success for the site.

[4] In 1919, Levinstein's operation at Blackley merged with other chemical dyers to form the British Dyestuffs Corporation Limited,[2] before becoming part of ICI in 1926.

[6] The 14-storey tower was named after the hexagon shaped windows based on the chemical compound Benzene, which is widely used in the creation of synthetic dyes.

[6] However, after growing competition from East Asian dye markets, the Specialty Chemicals division of ICI at Hexagon Tower passed ownership over to Zeneca in the mid-1990s.

LaSalle has turned the facility into a multi-let science park, accommodating a range of tenants from SMEs such as Colour Synthesis Solutions to multi-national firms, including Intertek.