SHEET /m/trimethylamine-n-oxide · PubChem CID 1145 · CAS 1184-78-7 · REV 2026.07
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Trimethylamine N-oxide
from sourceC3H9NO · 75.11 g/mol
TMAO · trimethyloxamine · Triox · TMA-oxide
What is Trimethylamine N-oxide?
TMAO, what fish use to stop deep-sea pressure crushing their proteins. Bacteria break it down after death, which is the smell of stale fish. from source
CategoryBody
LeaderboardsBiggest
Fig. 1 · 2D structure RDKit
SMILES
C[N+](C)(C)[O-]Where you'll find it
Your own body makes this one. It is not an ingredient you buy. See the rest of the body group.
Toxicity & hazards
DangerCorrosiveIrritantEnvironmentalH302, H315, H318, H319, H332, H335, H400, H411from source