Styranated Phenol（CAS number 61788-44-1）belongs to a group of phenols which are used as antioxidants for rubber,imtermediate in the production of surfacants (ethoxylates), stabilisers for polyurethane foams,minor uses as anti-static agents for wool etc.In addition, styrenated phenol may be used as a replacement for substances of concern such as nonylphenol for some uses

Styrenated phenol is made up of three main components:mono-styrenated phenol （called MSP）, distyrenated phenol(called DSP) and tristyrenated phenol (called TSP).Mono-Styrenated Phenol used as stabilisers for polyurethane foams, has typical MSP componet content of 70 percent, with 30 percent DSP. Distyrenated Phenol used as antioxidant has typically 44 percent of DSP, 20 percent of MSP and with 30 percent of TSP. Tristyrenated Phenol used as surfacants has typical TSP componet content of 66 percent, DSP with 27%,limited of MSP and Tetrastyrenated phenol (TeSP).

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