Titanium tetrachloride CAS#7550-45-0

CAS Number: 7550-45-0
Chemical Formula: Cl4Ti
Synonyms:

Titanium(IV) chloride, 1M solution in dichloromethane
Titanium(IV) chloride, 1M solution in toluene
Titanium(IV) Chloride (14% in Dichloromethane, ca. 1.0mol/L)

Appearance: Yellow Liquid

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Titanium tetrachloride CAS#7550-45-0

Titanium ore was first discovered in 1791 in Cornish beach sands by an English clergyman, William Gregor. The actual identification of the oxide was made a few years later by a German chemist, M.H. Klaproth, who gave the metal constituent of this oxide the name titanium, after the Titans of Greek mythology. Pure metallic titanium was first produced in the early 1900s in 1910 by M.A. Hunter at Rensselaer Polytechnic Institute in cooperation with General Electric Company.
Titanium tetrachloride is an inorganic compound that is an important intermediate in the production of titanium metal and the pigment titanium dioxide. On contact with humid air, it forms opaque clouds of titanium dioxide (TiO2) and hydrogen chloride (HCl). Early attempts to isolate titanium metal from titanium tetrachloride were unsuccessful. The process was improved and commercialized by William Kroll of Luxembourg in the 1930s which involved the reduction of titanium tetrachloride with magnesium in an inert gas atmosphere. This process remains essentially unchanged today. The primary use of titanium tetrachloride is for titanium dioxide used in paints.
The production of titanium metal accounts for only 5% of annual titanium mineral consumption, with the remainder being used in the titanium pigment industry. Pigments are produced using either a sulfate process or a more environmentally acceptable carbochlorination process that converts TiO2 into TiCl4. The latter process also supplies the TiCl4 necessary for the production of titanium metal.

Titanium tetrachloride Chemical Properties

Melting point	−25 °C(lit.)
Boiling point	135-136 °C(lit.)
density	1.73 g/mL at 20 °C(lit.)
vapor pressure	50 mm Hg ( 55 °C)
refractive index	1.61
Fp	46 °F
storage temp.	Flammables area
solubility	H2O: soluble
form	Solution
Specific Gravity	1.726
color	Light yellow to dark brown
Water Solubility	reacts
Sensitive	Moisture Sensitive
Hydrolytic Sensitivity	8: reacts rapidly with moisture, water, protic solvents
Merck	14,9478
Exposure limits	ACGIH: TWA 50 ppm OSHA: TWA 25 ppm; STEL 125 ppm NIOSH: IDLH 2300 ppm
Dielectric constant	40.0（Ambient）
Stability:	Stable. Reacts with water. Incompatible with moisture, ammonia, amines, alcohols, potassium and other chemically active metals.
InChI	1S/4ClH.Ti/h4*1H;/q;;;;+4/p-4
InChIKey	XJDNKRIXUMDJCW-UHFFFAOYSA-J
SMILES	[Ti+4].[Cl-].[Cl-].[Cl-].[Cl-]
CAS DataBase Reference	7550-45-0(CAS DataBase Reference)
NIST Chemistry Reference	Titanium tetrachloride(7550-45-0)
EPA Substance Registry System	Titanium tetrachloride (7550-45-0)

Safety Information

Hazard Codes	C,F,Xi,T
Risk Statements	36/37/38-67-65-63-48/20-34-14-11-23-40-37-48/23-39/23-20/21/22-36/38
Safety Statements	26-7/8-62-46-45-36/37/39-24/25-23-16-60
RIDADR	UN 3289 6.1/PG 2
WGK Germany	2
RTECS	XR1925000
F	21
TSCA	TSCA listed
HazardClass	8
PackingGroup	II
HS Code	28273990
Storage Class	6.1B - Non-combustible, acute toxic Cat. 1 and 2 very toxic hazardous materials
Hazard Classifications	Acute Tox. 1 Inhalation Eye Dam. 1 Skin Corr. 1B STOT SE 3
Hazardous Substances Data	7550-45-0(Hazardous Substances Data)
Toxicity	Not found naturally in the environment. Manufactured from titanium-containing minerals and is used to make metallic titanium, titanium dioxide, and other titanium compounds. An irritant to skin, eyes, mucus membranes, and lungs due to its interaction with water to form hydrochloric acid, excessive exposure can result in chemical bronchitus, pneumonia, and death. Severe burns may result from contact with liquid titanium tetrachloride. Although long term, high dose studies caused lung tumors in rodents, IARC and other agencies have not classified titanium tetrachloride for its potential as a human carcinogen.

Product Application Of Titanium tetrachloride CAS#7550-45-0

Titanium tetrachloride is used as an intermediate in the manufacture of titanium metal, titanium dioxide, titanous chloride pigments, iridescent glass, and artificial pearls and as a starting material for a variety of organic and inorganic titanium compounds. It is also used as a dye, a polymerization catalyst, and as a catalyst in many organic syntheses because of it acidity and oxophilicity in many applications in the chemical industry. Titanium tetrachloride was formerly used as a smokeproducing screen with ammonia for the military; however, due to its extremely irritating and corrosive qualities in both liquid and smoke formulation, military applications are rarely used. The conversion of tetrachloride to titanium metal takes place by the reduction of chloride with magnesium which yields titanium metal and magnesium chloride and is referred to as the Kroll process after its inventor:
2 Mg ＋ TiCl4→2 MgCl2 ＋ Ti

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