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86710

Sigma-Aldrich

Titanium(IV) ethoxide

Synonym(s):

Tetraethyl orthotitanate, Tetraethyl titanate

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About This Item

Linear Formula:
Ti(OC2H5)4
CAS Number:
Molecular Weight:
228.11
Beilstein:
3678992
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22
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form

liquid

Quality Level

reaction suitability

core: titanium
reagent type: catalyst

impurities

≤3% tetraisopropyl orthotitanate (NMR)

refractive index

n20/D 1.505 (lit.)
n20/D 1.509

bp

150-152 °C/10 mmHg (lit.)

density

1.088 g/mL at 25 °C (lit.)

SMILES string

CCO[Ti](OCC)(OCC)OCC

InChI

1S/4C2H5O.Ti/c4*1-2-3;/h4*2H2,1H3;/q4*-1;+4

InChI key

JMXKSZRRTHPKDL-UHFFFAOYSA-N

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Application

Titanium(IV) ethoxide can be used:
  • As an activator and dehydrating agent for by condensation of (S)-(+)-p-toluenesulfinamide with aldehydes and ketones to form sulfinimines.[1]
  • As a Ti4+ ion source to form complexes of titanium (IV) acrylate with methacrylic acid.[2]
  • As a catalyst to synthesize esters of sterically hindered alcohols via transesterification reactions.[3]

Caution

During storage a gelatinous residue may form, which dissolves after heating up to 40 °C

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

107.6 °F - closed cup

Flash Point(C)

42 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Synthesis of sterically hindered esters via titanium catalyzed transesterification
Krasik, Pavel
Tetrahedron Letters, 39(24), 4223-4226 (1998)
Two-photon polymerization of metal ions doped acrylate monomers and oligomers for three-dimensional structure fabrication
Duan, Xuan-Ming and Sun, Hong-Bo and Kaneko, Koshiro and Kawata, Satoshi
Thin Solid Films, 453(4), 518-521 (2004)
Improved synthesis of enantiopure sulfinimines (thiooxime s-oxides) from p-toluenesulfinamide and aldehydes and ketones
Davis FA, et al.
The Journal of Organic Chemistry, 64(4), 1403-1406 (1999)
Zhihai Cao et al.
Journal of colloid and interface science, 435, 51-58 (2014-09-14)
Ag/TiO2 nanocomposites were prepared through combination of a sol-gel process of a titanium precursor in inverse miniemulsions and in situ reduction of silver ions in the "nanoreactors". The morphological investigation shows that Ag nanoparticles are mainly located on the surface
Johan Karlsson et al.
International journal of nanomedicine, 10, 4425-4436 (2015-07-18)
The osseointegration capacity of bone-anchoring implants can be improved by the use of drugs that are administrated by an inbuilt drug delivery system. However, to attain superior control of drug delivery and to have the ability to administer drugs of

Questions

  1. 안녕하세요. 해당 제품의 specification sheet에는 gelation이 일어나며 40도 이상으로 가열하면 사라진다고 명시되어 있습니다. 제품의 인화점이 42도라고 적혀있습니다. 혹시 안전하게 가열할 수 있나요? 해당 제품은 수분에 민감하게 반응하는 것으로 알고 있는데 가열을 위해 약품통에서 꺼내는 순간 변질이 일어날 것 같습니다. 해당 제품의 gelation문제를 안전하고 변질없이 해결할 방법이 있나요?

    1 answer
    1. Yes, it can be heated above 40 °C safely. This product is packaged in an argon gas environment. It is recommended to re-dissolve the gelation under inert gas (e.g., argon) protection with gentle heating.

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