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Merck

307793

Titanium(IV) bromide

98%, solid

Synonym(s):

Titanium tetrabromide

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About This Item

Linear Formula:
TiBr4
CAS Number:
7789-68-6
Molecular Weight:
367.48
NACRES:
NA.22
PubChem Substance ID:
24858626
UNSPSC Code:
12161600
EC Number:
232-185-0
MDL number:
MFCD00011265

Key Documents

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Product Name

Titanium(IV) bromide, 98%

InChI key

UBZYKBZMAMTNKW-UHFFFAOYSA-J

InChI

1S/4BrH.Ti/h4*1H;/q;;;;+4/p-4

SMILES string

Br[Ti](Br)(Br)Br

assay

98%

form

solid

reaction suitability

core: titanium
reagent type: catalyst

bp

230 °C (lit.)

mp

38-40 °C (lit.)

density

3.25 g/mL at 25 °C (lit.)

Quality Level

100

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This Item
215961749249333239
Titanium(IV) bromide 98%

Sigma-Aldrich

307793

Titanium(IV) bromide

Tin(IV) bromide 99%

Sigma-Aldrich

215961

Tin(IV) bromide

Oxobis(2,2,6,6-tetramethyl-3,5-heptanedionato)titanium(IV) 95%

Sigma-Aldrich

749249

Oxobis(2,2,6,6-tetramethyl-3,5-heptanedionato)titanium(IV)

Titanium(IV) fluoride

Sigma-Aldrich

333239

Titanium(IV) fluoride

assay

98%

assay

99%

assay

95%

assay

-

reaction suitability

core: titanium, reagent type: catalyst

reaction suitability

core: tin, reagent type: catalyst

reaction suitability

core: titanium, reagent type: catalyst

reaction suitability

core: titanium, reagent type: catalyst

form

solid

form

solid

form

solid

form

powder and chunks

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

200

bp

230 °C (lit.)

bp

202 °C (lit.)

bp

-

bp

-

density

3.25 g/mL at 25 °C (lit.)

density

3.34 g/mL at 25 °C (lit.)

density

-

density

2.798 g/mL at 25 °C (lit.)

Application

Titanium(IV) bromide (Titanium tetrabromide or TiBr4) can be employed as a Lewis acid catalyst in the synthesis of:
  • α-bromomethylene aldols by reacting with arylaldehydes and but-3-yn-2-one via Baylis-Hillman reaction.[1]
  • Titanium(II) bromide which along with copper forms an efficient catalytic system for Pinacol reaction.[2]
  • α-bromo-γ-hydroxyenamides by the reaction of ynamides and aldehyde or ketones.[3]

Features and Benefits

Used for the formation of titanium silicide thin films on Si substrates.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX6206
MKCX9419
MKCW7763
0000236290
MKCV4115

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Efficient diastereoselective pinacol reaction of aliphatic and aromatic aldehydes by combined use of newly utilized titanium (II) bromide and copper
Mukaiyama T, et al.
Chemistry Letters (Jpn), 29(4), 336-337 (2000)
Titanium (IV) Bromide and Boron (III) Tribromide Promoted Baylis-Hillman Reactions of Arylaldehydes with But-3-yn-2-one
Shi M and Wang C-J
Helvetica Chimica Acta, 85(3), 841-846 (2002)
Synthesis of α-Halo-γ -hydroxyenamides by Titanium Tetrahalide Mediated Addition of Aldehydes or Ketones to Ynamides
Yabuuchi Y, et al.
Organic Letters, 18(19), 4951-4953 (2016)
K Sellschopp et al.
The Journal of chemical physics, 152(6), 064702-064702 (2020-02-18)
The ability to synthesize nanoparticles (NPs), here TiO2, of different shapes in a controlled and reproducible way is of high significance for a wide range of fields including catalysis and materials design. Different NP shapes exhibit variations of emerging facets

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