Water (molecule)

Water
Ball-and-stick model of a water molecule	Space filling model of a water molecule Oxygen, O Hydrogen, H
Names
	IUPAC name Water
	Systematic IUPAC name Oxidane
	Other names Hydrogen oxide; Hydrogen hydroxide (HH or HOH); Hydroxylic acid; Dihydrogen monoxide (DHMO) (parody name); Dihydrogen oxide; Hydric acid; Hydrohydroxic acid; Hydroxic acid; Hydroxoic acid; Hydrol; μ-Oxidodihydrogen; κ1-Hydroxylhydrogen(0); Aqua; Neutral liquid;
Identifiers
CAS Number	7732-18-5 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	3587155
ChEBI	CHEBI:15377 ;
ChEMBL	ChEMBL1098659 ;
ChemSpider	937 ;
DrugBank	DB09145;
ECHA InfoCard	100.028.902
EC Number	231-791-2;
Gmelin Reference	117
KEGG	C00001;
PubChem CID	962;
RTECS number	ZC0110000;
UNII	059QF0KO0R ;
CompTox Dashboard (EPA)	DTXSID6026296 ;
	InChI InChI=1S/H2O/h1H2 Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N ;
	SMILES O;
Properties
Chemical formula	H; 2O
Molar mass	18.01528(33) g/mol
Appearance	Almost colorless or white crystalline solid, almost colorless liquid, with a hint of blue, colorless gas
Odor	Odorless
Density	Liquid (1 atm, VSMOW):; 0.99984283(84) g/mL at 0 °C; 0.99997495(84) g/mL at 3.983035(670) °C (temperature of maximum density, often 4 °C); 0.99704702(83) g/mL at 25 °C; 0.96188791(96) g/mL at 95 °C; Solid:; 0.9167 g/mL at 0 °C;
Melting point	0.00 °C (32.00 °F; 273.15 K)
Boiling point	99.98 °C (211.96 °F; 373.13 K)
Solubility	Poorly soluble in haloalkanes, aliphatic and aromatic hydrocarbons, ethers. Improved solubility in carboxylates, alcohols, ketones, amines. Miscible with methanol, ethanol, propanol, isopropanol, acetone, glycerol, 1,4-dioxane, tetrahydrofuran, sulfolane, acetaldehyde, dimethylformamide, dimethoxyethane, dimethyl sulfoxide, acetonitrile. Partially miscible with diethyl ether, methyl ethyl ketone, dichloromethane, ethyl acetate, bromine.
Vapor pressure	3.1690 kilopascals or 0.031276 atm at 25 °C
Acidity (pKa)	13.995
Basicity (pKb)	13.995
Conjugate acid	Hydronium H3O+ (pKa = 0)
Conjugate base	Hydroxide OH– (pKb = 0)
	Thermal conductivity

Zdroj:https://en.wikipedia.org?pojem=Water_(molecule)
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