Terephthalic acid

Turpentine bottle

Source: © Shutterstock

Once thought of as an interesting – but useless – turpentine derivative, this oddly-named acid became the precursor to one of the world’s most widely used plastics

Once thought of as an interesting – but useless – turpentine derivative, this oddly-named acid became the precursor to one of the world’s most widely used plastics