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SHEET /m/water · PubChem CID 962 · CAS 7732-18-5 · REV 2026.07

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Water

from source

H2O · 18.015 g/mol

dihydrogen monoxide · dihydridooxygen · hydrogen hydroxide · dihydrogen oxide

What is Water?

The one molecule everything else on this site dissolves in, freezes in, or is carried by. Two hydrogens and an oxygen, bent at about 104 degrees. Found in coffee, tea, wine, beer, milk, and soft drinks. from source

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Fig. 1 · 2D structure RDKit

SMILESO

Where you'll find it

Curated by MoleculeFinder from source

Toxicity & hazards

Toxicity · LD50

25,000 mg/kg · very low toxicity · LD50 mouse iv from source

2 more reported values
  • 25,000 mg/kgLD50 · other · mouse
  • 190,000 mg/kgLD50 · other · mouse
WarningIrritantH315, H319, H335from source

Sources & methodology

PubChem CID
962
Wikidata
Q283
Structure
PubChem → RDKit
LD50
PubChem
Everyday relationships
MoleculeFinder editorial curation
Data refreshed

How MoleculeFinder sources and labels its data