Description: Solutions of aniline•HCl and formaldehyde, when mixed, solidify within seconds to a red, rubbery mass, accompanied by a temperature rise of about 40°C. This demonstration is performed in a hood.

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Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year or vol: 1 page: 225

Keywords: Polymers, Aniline, Formaldehyde, Plastics