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Iodine

CAS: 7553-56-2 | I2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 7553-56-2
Molecular Formula: I2
Molecular Mass: 253.81 g/mol

Names and Synonyms:

Iodine
Iodine
Iodine crystals
Iodine sublimed
Iodine colloidal
Eranol
Iodine (127I2)
Molecular iodine
Iosan Superdip
Actomar
Diiodine
Jodosan
Diatomic iodine
Iodine molecule (I2)
Iodel FD
NSC 42355
Tegodyne
DentaPure DP 90
eXIA 160
Iodosteryl
Biojodis
Yoddar

Identifiers:

SMILES:
II
InChI:
InChI=1S/I2/c1-2

Key Properties

Boiling Point
184.4 °C @ Press: 800 Torr CAS Common Chemistry
Melting Point
113.7 °C CAS Common Chemistry
Density
4.90 g/cm³ CAS Common Chemistry

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

Property Value Source
Molecular Mass 253.81 g/mol CAS Common Chemistry
253.808 g/mol RDKit
253.808946 g/mol RDKit
Density 4.90 g/cm³ CAS Common Chemistry
4.9 g/cm3 CAS Common Chemistry
Boiling Point 184.4 °C @ Press: 800 Torr CAS Common Chemistry
Canonical SMILES II CAS Common Chemistry
InChI InChI=1S/I2/c1-2 CAS Common Chemistry
InChI Key InChIKey=PNDPGZBMCMUPRI-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 113.7 °C CAS Common Chemistry
Name Iodine CAS Common Chemistry
Heavy Atom Count 2 RDKit
Hydrogen Bond Acceptors 0 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 0.0 Ų RDKit
LogP 1.7714 RDKit
Molar Refractivity 28.04 RDKit

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