Iothionol is a chemical compound used as a photographic developer. The spelling of the word "iothionol" can be explained using the International Phonetic Alphabet (IPA) as /aɪəˈθaɪənɒl/. The first syllable is pronounced like "eye", followed by the "uh" sound, then "thai" (as in the country), and finally "uh-nol". It may be challenging to spell and pronounce, but understanding the IPA can help to identify the correct pronunciation of complex words like iothionol.
Iothionol is a substance belonging to the class of organophosphate compounds, primarily used as a pesticide or insecticide. It is a clear, colorless to light yellow liquid with a distinct odor.
As a pesticide, iothionol is primarily utilized in agricultural practices to control a wide range of pests, including insects, mites, and nematodes. It acts by inhibiting the activity of acetylcholinesterase, an enzyme responsible for the breakdown of the neurotransmitter acetylcholine in the nervous system. By interfering with this enzyme, iothionol disrupts the normal functioning of pests' nervous systems, leading to paralysis and subsequent death.
Due to its effectiveness as an insecticide, iothionol is also used in the management of pests in industrial and household settings. Its application can be found in public health programs, sanitation, and the preservation of wood products by safeguarding against wood-destroying organisms.
However, it should be noted that iothionol can be toxic to humans and animals if not handled with proper care. Direct exposure to the skin, eyes, or inhalation of its fumes may result in irritation or more severe health effects. Therefore, protective measures, such as the use of gloves, goggles, and respiratory protection, are crucial when dealing with iothionol.
In summary, iothionol is an organophosphate pesticide extensively employed to control a diverse array of pests, mitigating damage to crops, wood products, and public health.
A 25 per cent. oily solution of iothion, employed in veterinary practice.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.