methanediol

Chemical compound

Chemical compoundtype of chemical entityQ2365760

Also known as formaldehyde hydrate · dihydroxymethane · methylene glycol

Formula: CH₄O₂
1
Sources
1.Stated in PubChem“Methanediol”Retrieved 2016-10-06
View statement on Wikidata ↗
Mass: 48.021 Da
1
Sources
1.Stated in PubChem“Methanediol”Retrieved 2016-10-06
View statement on Wikidata ↗

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

Methanediol, also known as formaldehyde monohydrate or methylene glycol, is an organic compound with chemical formula CH2(OH)2. It is the simplest geminal diol. In aqueous solutions it coexists with oligomers. The compound is closely related and convertible to the industrially significant derivatives paraformaldehyde, formaldehyde, and 1,3,5-trioxane.

Overview

Chemistry

Computed by PubChem CID 79015 (NIH) · Public domain

Molecular formula: CH4O2
Molecular weight: 48.041 g/mol
IUPAC name: methanediol
SMILES: C(O)O
InChIKey: CKFGINPQOCXMAZ-UHFFFAOYSA-N
XLogP: -1
Topological polar surface area: 40.5 Å²
H-bond donors / acceptors: 2 / 2
Complexity: 2

Chemistry

All data

28 statements · 54% with external sources · numbers in brackets are citations

Members / parts: oxygen
carbon
Canonical SMILES: C(O)O
1
Sources
1.Stated in PubChem“Methanediol”Retrieved 2016-10-06
View statement on Wikidata ↗
Subclass of: geminal diol
glycol

On other databases

19 identifiers linking methanediol across the web's reference databases

Data quality

statements

54%

externally sourced

Source last edited June 19, 2026. AIDB refreshes this page daily.

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AIDB. (2026). methanediol (Q2365760). Retrieved from https://aidb.si/e/methanediol-Q2365760