| Subclass of | oxide, dihydrogen chalcogenide  |
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| Has use | nuclear reactor coolant, hydroponics, refrigerant, potential energy  |
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| Has effect | Q57385793  |
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| Conjugate acid | hydronium  |
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| Conjugate base | hydroxide ion  |
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| Chemical formula | H₂O  |
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| Canonical SMILES | O  |
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| Phase point | triple point, critical point  |
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| Safety classification and labelling | Regulation (EC) No. 1272/2008, NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response  |
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| Hashtag | water  |
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| Subject has role | natural resource, primary metabolite  |
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| Unicode character | 💧, 🚰, 🚱  |
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| Has list | Q35587366  |
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