Methanal Meaning: Definition and Examples
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methanal
[ˈmɛθəˌnæl ]
Definition
chemical compound
Methanal, commonly known as formaldehyde, is the simplest member of the aldehyde family, consisting of a single carbon atom bonded to a carbonyl group. It is a colorless gas with a pungent odor, often used in various industrial applications, including the production of resins and as a preservative in laboratories.
Synonyms
formaldehyde, methanaldehyde.
Examples of usage
- Formaldehyde is frequently used in embalming fluids.
- The release of methanal can occur during vehicle exhaust.
- Using methanal in building materials can cause indoor air pollution.
- Methanal is an important reagent in organic synthesis.
Interesting Facts
Applications
- Methanal is widely used in the production of plastics, as it helps create formaldehyde-based resins.
- It plays a role in food preservation, acting as a building block in the production of various flavoring agents.
- In laboratories, it is often used as a fixative for preserving biological specimens.
Science
- Methanal is a colorless gas at room temperature, but it can also exist in a liquid state when stored under pressure.
- It's known to have a strong, pungent odor, which is commonly associated with household disinfectants.
- This compound is highly reactive and can combine with other chemicals to create more complex substances.
Environmental Impact
- When not handled properly, methanal can contribute to air pollution, often released from industrial processes.
- Regulations have been put in place in many countries to limit its emission into the environment due to its potential health risks.
Health Effects
- Exposure to high levels of methanal can lead to irritation of the eyes, skin, and respiratory tract.
- Studies have shown prolonged exposure is linked to more serious health issues, including cancer, making safety measures crucial in workplaces.
Origin of 'methanal'
Main points about word origin
- The name methanal is derived from 'methane' (the simplest hydrocarbon) and 'al' indicating it’s an aldehyde, a type of compound.
- The suffix '-al' is used in organic chemistry to denote aldehydes, distinguishing them from other types of chemicals.
The term 'methanal' originates from the prefix 'meth-' which is derived from the Greek word 'methy', meaning 'alcohol', and '-al' which denotes aldehyde. The name reflects its structure and classification within the family of aldehydes. Methanal was first prepared in the early 19th century by the French chemist Auguste Laurent, who identified its properties and applications. The compound became more widely known after the discovery of its preservation qualities and its introduction into various industries, marking a significant advancement in chemical manufacturing. Historically, methanal has also played a critical role in biological research, particularly in histology, where it is used for tissue fixation and preservation techniques.