SHEET /m/methylglyoxal · PubChem CID 880 · CAS 78-98-8 · REV 2026.07
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Methylglyoxal
from sourceC3H4O2 · 72.06 g/mol
ketopropionaldehyde · acetyl formaldehyde · alpha-ketopropionaldehyde · propanedione
What is Methylglyoxal?
A reactive by-product of sugar metabolism, and the compound that gives manuka honey its unusual antibacterial rating. Found in honey. from source
CategoryBody
Fig. 1 · 2D structure RDKit
SMILES
CC(=O)C=OWhere you'll find it
Curated by MoleculeFinder from source
Relative acute toxicity from source
Animal study data · LD50
- Reported LD50
- 1,165 mg/kg · low toxicity
- Species
- rat
- Route
- oral
An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.
Toxicity & hazards
Toxicity · LD50
1,165 mg/kg · low toxicity · LD50 rat oral from source
1 more reported value
- 179 mg/kgLD50 · other · mouse
DangerCorrosiveIrritantHealth hazardH290, H302, H315, H317, H318, H319, H335, H341from source
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Where Methylglyoxal leads
Relatedcomputed
Acetone45% similarBoth carry a ketone group.Acetic acid42% similarNo functional group in common: Acetic acid carries a carboxylic acid group, while Methylglyoxal carries an aldehyde group.Diacetyl42% similarBoth carry a ketone group.Sodium acetate36% similarPyruvic acid36% similarBoth carry a ketone group.Calcium acetate36% similar