methylal: meaning, definition, pronunciation and examples
Very LowTechnical / Scientific
Quick answer
What does “methylal” mean?
A colourless, volatile, flammable liquid with a chloroform-like odour, used as a solvent and in perfumery.
Audio
Pronunciation
Definition
Meaning and Definition
A colourless, volatile, flammable liquid with a chloroform-like odour, used as a solvent and in perfumery.
The organic compound dimethyl acetal of formaldehyde (CH₃O)₂CH₂; it is used industrially as a solvent and in the synthesis of other chemicals, pharmaceuticals, and perfumes.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or use. The term is identical in UK and US scientific English.
Connotations
None beyond its technical definition.
Frequency
Extremely rare in general language; its frequency is identical and very low in both scientific communities.
Grammar
How to Use “methylal” in a Sentence
The [noun: compound/ester] was dissolved in methylal.Methylal is used as a [noun: solvent/reagent] in [noun: synthesis/extraction].Vocabulary
Collocations
Usage
Meaning in Context
Business
Not used. If referenced, it would be in procurement or safety data sheets for chemical suppliers.
Academic
Used in chemistry papers and textbooks in the context of organic synthesis and solvent properties.
Everyday
Never used.
Technical
Primary context. Appears in chemical literature, patents, and lab procedure manuals.
Vocabulary
Synonyms of “methylal”
Watch out
Common Mistakes When Using “methylal”
- Misspelling as 'methylol' (which is different).
- Incorrectly classifying it as an alcohol (it is an acetal).
- Using it in non-technical writing.
FAQ
Frequently Asked Questions
Yes. It is highly flammable and its vapours can be narcotic in high concentrations, requiring careful handling in a fume hood.
Only in specialised contexts like chemical patents, research papers, industrial solvent catalogues, or safety documentation.
Formaldehyde (HCHO) is a simple, pungent gas used as a disinfectant and preservative. Methylal is a derivative, the dimethyl acetal of formaldehyde, used as a liquid solvent.
Historically and in specialised industrial perfumery, yes, due to its ethereal odour. However, due to flammability and toxicity concerns, its use is now very limited.
A colourless, volatile, flammable liquid with a chloroform-like odour, used as a solvent and in perfumery.
Methylal: in British English it is pronounced /ˈmɛθɪlæl/, and in American English it is pronounced /ˈmɛθɪlˌæl/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of 'methyl' (a common chemical group) + 'al' (short for alcohol/aldehyde). Methylal is like a methyl group attached to an acetal structure.
Conceptual Metaphor
N/A. It is a literal, technical term.
Practice
Quiz
Methylal is primarily used as: