Thiabendazole, 2-(Thiazol-4-yl) benzimidazole
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Thiabendazole is a systemic benzimidazole fungicide used to control fruit and vegetable diseases such as mould, rot, blight, and stain. It is also active against storage diseases and Dutch Elm disease. In livestock and humans, thiabendazole is applied to treat several helminth species such as roundworms.

Banned in some countries, it is typically applied to citrus fruits, apples, pears, potatoes, bananas, mushrooms, meat, and milk .

Not recommended for consumption by children.

Not permitted in Australia.