Overview

Name

Titanium

Symbol

Ti

Atomic Number

22

Atomic Weight

47.867

Density

4.507 g/cm³

Melting Point

1668 °C

Boiling Point

3287 °C

Thermal properties

Phase

Solid

Melting Point

1668 °C

Boiling Point

3287 °C

Absolute Melting Point

1941 K

Absolute Boiling Point

3560 K

Critical Pressure

N/A

Critical Temperature

N/A

Heat of Fusion

18.7 kJ/mol

Heat of Vaporization

425 kJ/mol

Heat of Combustion

N/A

Specific Heat

520 J/(kg K)^[note]

Adiabatic Index

N/A

Neel Point

N/A

Thermal Conductivity

22 W/(m K)

Thermal Expansion

8.6×10^-6 K^-1

Bulk physical properties

Density

4.507 g/cm³

Density (Liquid)

4.11 g/cm³

Molar Volume

0.000010621

Brinell Hardness

716 MPa

Mohs Hardness

6 MPa

Vickers Hardness

970 MPa

Bulk Modulus

110 GPa

Shear Modulus

44 GPa

Young Modulus

116 GPa

Poisson Ratio

0.32

Refractive Index

N/A

Speed of Sound

4140 m/s

Thermal Conductivity

22 W/(m K)

Thermal Expansion

8.6×10^-6 K^-1

Reactivity

Valence

4

Electronegativity

1.54

ElectronAffinity

7.6 kJ/mol

Ionization Energies

Health and Safety

Autoignition Point

250 °C

Flashpoint

N/A

Heat of Combustion

N/A

DOT Hazard Class

4.2

DOT Numbers

2546

EU Number

N/A

NFPA Fire Rating

1

NFPA Hazards

N/A

NFPA Health Rating

1

NFPA Reactivity Rating

2

RTECS Number

N/A

Classifications

Alternate Names

None

Names of Allotropes

None

Block

d

Group

4

Period

4

Electron Configuration

[Ar]3d²4s²

Color

Silver

Discovery

Gas phase

N/A

CAS Number

CAS7440-32-6

CID Number

CID23963

Gmelin Number

N/A

NSC Number

N/A

RTECS Number

N/A

Electrical properties

Electrical Type

Conductor

Electrical Conductivity

2.5×10⁶ S/m

Resistivity

4×10^-7 m Ω

Superconducting Point

0.4

Magnetic properties

Magnetic Type

Paramagnetic

Curie Point

N/A

Mass Magnetic Susceptibility

4.01×10^-8

Molar Magnetic Susceptibility

1.919×10^-9

Volume Magnetic Susceptibility

0.0001807

Abundances

% in Universe

0.0003%

% in Sun

0.0004%

% in Meteorites

0.054%

% in Earth's Crust

0.66%

% in Oceans

1×10^-7%

% in Humans

N/A

Atomic dimensions and structure

Atomic Radius

176 pm

Covalent Radius

136 pm

Van der Waals Radius

N/A

Crystal Structure

Simple Hexagonal

Lattice Angles

Lattice Constants

Space Group Name

P6₃/mmc

Space Group Number

194

Nuclear Properties

Half-Life

Stable

Lifetime

Stable

Decay Mode

N/A

Quantum Numbers

³F₂

Neutron Cross Section

6.1

Neutron Mass Absorption

0.0044

Known Isotopes

Stable Isotopes

Isotopic Abundances