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Water

CAS: 7732-18-5 | H2O

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 7732-18-5
Molecular Formula: H2O
Molecular Weight: 18.015 g/mol

Names and Synonyms:

Water
Water
R 718
Hydrogen oxide (H2O)
Distilled water
NSC 147337
Aquafina
Ultrex II Ultrapure
Milli-Q water

Identifiers:

SMILES:
O
InChI:
InChI=1S/H2O/h1H2

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Category Property Value Source
Physical Properties molecular_mass 18.02 g/mol Legacy Database
density 1.00 g/cm³ Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Water Legacy Database
cas-boiling-point 100 °C Legacy Database
cas-canonical-smile O Legacy Database
cas-density 1.00293 g/cm3 @ Temp: 25 °C Legacy Database
cas-inchi InChI=1S/H2O/h1H2 Legacy Database
cas-inchi-key InChIKey=XLYOFNOQVPJJNP-UHFFFAOYSA-N Legacy Database
cas-melting-point 0 °C Legacy Database
cas-name Water Legacy Database
wikipedia-name Water Legacy Database
LogP -0.8247 RDKit
Molecular Molecular Weight 18.015 g/mol RDKit
Exact Exact Molecular Weight 18.010564684 g/mol RDKit
Heavy Heavy Atom Count 1 count RDKit
Hydrogen Hydrogen Bond Acceptors 0 count RDKit
Hydrogen Bond Donors 0 count RDKit
Rotatable Rotatable Bonds 0 count RDKit
Aromatic Aromatic Ring Count 0 count RDKit
Topological Topological Polar Surface Area 31.5 Ų RDKit
Molar Molar Refractivity 3.6138 RDKit

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