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Titanium tetrachloride

Properties, data and information sources.

 

Contents

Names and Identifiers

Name
Titanium tetrachloride
Formula
Cl4Ti
TiCl4
Molar mass
189.667 (g/mol)
CAS registry number
7550-45-0
EC number EINECS
231-441-9
InChI Key
XJDNKRIXUMDJCW-UHFFFAOYSA-J

Systematic name
Tetrachlorotitanium

Other names, synonyms
Titanium(IV) chloride; Titanium chloride

 

Chemical formulas

Molecular formula and structural formula of Titanium tetrachloride:

 

Cl4Ti or TiCl4

Mr = 189.667 g/mol

Tetrachlorotitanium
SMILES: Cl[Ti](Cl)(Cl)Cl

 

Data and Properties

In its pure state, titanium tetrachloride is a colorless, pungent-smelling liquid that fumes strongly in moist air.

solubility:
- Exothermic hydrolysis in water.
+ Soluble in hydrochloric acid, alcohol.
melting point
-24.1 °C
boiling point
136.4 °C
density
1.726 g cm-3 at 20 °C
vapor pressure
12 hPa at 20 °C
21 hPa at 30 °C
55 hPa at 50 °C
viscosity
827 μPa
refractive index
nD = 1.6076 at 18 °C
standard enthalpy of formation
-763 kJ/mol at 25 °C
standard entropie
335 J/(mol K) at 25 °C
magnetic susceptibility χ
-54.0 × 10-6 cm3 mol-1

 

Spectroscopic data:

SpectraBase (NMR, IR, FTIR, Raman, UV-Vis, MS ... spectra)
A2zGHZ5BhE0

 

Percentage and isotopic composition:

Mass-related elemental composition and isotope proportions of the compound Titanium tetrachloride - Cl4Ti - calculated based on molecular mass.

Symbol
Element ENumber x
of atoms ExData of the element
and isotopes *Percentages
of isotopesPercentage of
Ex in formula massCl
Chlorine4 Ar = 35.45 u
ΣAr = 141.8 u
35Cl: 34.96885 u [75,80 %]
36Cl: 35.96831 u [<< 1 %]
37Cl: 36.9659 u [24,2 %] 
35Cl: 56.67006 %
36Cl: trace
37Cl: 18.09255 %
74.7626 %Ti
Titanium1ΣAr = 47.867 u
47Ti: 46.95176 u [7,44 %]
46Ti: 45.95263 u [8,25 %]
48Ti: 47.94794 u [73,72 %]
49Ti: 48.94786 u [5,41 %]
50Ti: 49.94479 u [5,18 %] 
47Ti: 1.87766 %
46Ti: 2.08208 %
48Ti: 18.605 %
49Ti: 1.36534 %
50Ti: 1.3073 %
25.2374 %

*) The third column lists the atomic masses or isotope masses of the elements involved and - in square brackets - the natural isotope composition.

 

More calculated data

The molar mass is M = 189.667 grams per mole.

The amount of substance in one kilogram of the substance is n = 5.272 mol.

The amount of substance in one gram of the substance is n = 0.005 mol.

Monoisotopic mass: 187.82335148 Da - related to 35Cl448Ti.

 

Hazard warnings according to GHS

(General information without guarantee of accuracy and completeness! The information does not replace the chemical safety data sheet or a risk assessment, but rather provides a general overview of the risk posed by the hazardous substance.

Signal word: Danger

GHS hazard statements (H phrases):


H314
Causes severe skin burns and eye damage

H317
May cause an allergic skin reaction

H318
Causes serious eye damage

H330
Fatal if inhaled

H335
May cause respiratory irritation

H370
Causes damage to organs

H372
Causes damage to organs through prolonged or repeated exposure

Labeling in the EU: See ECHA Substance Infocard 100.028.584.

For toxicology and occupational safety when handling Titanium tetrachloride as well as measures to be taken in case of danger, see: Hazardous Substances Information System GESTIS, ZVG-Nr. 002270.

International Chemical Safety Card ICSC (SDS, MSDS): See ICSC: 1230.

 

External Sources

PubChem:ID 24193ChemSpider:ID 22615UNII of the FDA (USA):Unique Ingredient Identifier 8O3PJE5T7QEPA CompTox Chemicals Dashboard:DTXSID8042476Other CAS RN:15612-71-2; 44246-22-2; 8011-53-8 (also used, outdated or deleted registration numbers)

 

Manufacturers and Sources of Supply

The table below lists producers and suppliers of Titanium tetrachloride as a commercial chemical for laboratories, research, industry and production with the corresponding contact details.

 

Literature Sources

[0] - Specialist and research articles in scientific journals via PubMed: Titanium_tetrachloride.

 

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Last update: 2026-01-12

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