What is "chemophobia"

n. An irrational fear of chemicals

Chemophobia (or chemphobia or chemonoia) is an irrational aversion to or prejudice against chemicals or chemistry. The phenomenon has been ascribed both to a reasonable concern over the potential adverse effects of synthetic chemicals, and to an irrational fear of these substances because of misconceptions about their potential for harm. Chemophobia is oftentimes correlated with the appeal to nature.