Titanium tetrachloride

CAS Number
7550-45-0
EC Number
231-441-9
Abbreviation
TiCl4

What is Titanium tetrachloride?

Titanium tetrachloride (CAS 7550-45-0), commonly referenced as TiCl4, is a high-purity inorganic compound used primarily as a catalyst precursor and chemical intermediate.

Where is Titanium tetrachloride used?

  • Polyolefin manufacturing: core component in Ziegler-Natta catalyst systems for polypropylene and polyethylene, influencing stereoregularity and molecular weight distribution
  • Pharmaceutical synthesis: Lewis acid catalyst enabling stereoselective reactions and chiral intermediate production
  • Textile and paper processing: surface treatment agent improving mordanting, fiber adhesion and coating receptivity
  • Personal care and cosmetics: precursor to synthetic titanium dioxide pigments for sunscreens, foundations and opacifying formulations
  • Its reactivity with moisture and oxygen makes it a building block for producing titanium-based compounds at scale.

Good to know: Buyers should confirm purity thresholds and metal impurity limits based on end-use sensitivity, particularly for pharmaceutical or catalyst applications. Proper handling protocols must be maintained for stability.

Commercial specifications

  • Technical and high-purity catalyst grades
  • Specifications tailored to polymerization catalyst production or chemical synthesis

Other Names (Synonyms)

TiCl4|Titanic chloride|Titanium chloride (TiCl4)|Tetrachlorure de titane|Titanium chloride (TiCl4) (T-4)-|Titanium chloride

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What are the physical properties of Titanium tetrachloride?

Melting Point -24.1 °C
Boiling Point 136.4 °C
Density 1.726 g/cm³
Flash Point 46 °F
Appearance Colorless liquid. Fumes strongly when exposed to moist air, forming a dense and persistent white cloud. Soluble in dilute hydrochloric acid; soluble in water with evolution of heat; concentrated aqueous solutions are stable and corrosive; dilute solutions
Color Light yellow to dark brown
Form Solution
Water Solubility reacts
Vapor Pressure 50 mm Hg ( 55 °C)
Refractive Index 1.61

How is Titanium tetrachloride classified and handled safely? Learn More

Danger
GHS05· Corrosive GHS06· Toxic GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H301 Toxic if swallowed
H314 Causes severe skin burns and eye damage
H317 May cause an allergic skin reaction
H318 Causes serious eye damage

Precautionary Statements

P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.

Which trade and regulatory codes apply to Titanium tetrachloride?

HS Code 28273990
UN Number 3289
ADR Class 6.1
Packing Group II
Storage Class 6.1B - Non-combustible, acute toxic Cat. 1 and 2 very toxic hazardous materials
WGK (Germany) 2
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