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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:
3087-36-3
Molecular Weight:
228.11
Beilstein:
3678992
MDL number:
MFCD00009071
UNSPSC Code:
12161600
PubChem Substance ID:
57653185
NACRES:
NA.22
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form

liquid

Quality Level

100

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
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H319

Precautionary Statements

P210 - P305 + P351 + P338

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCM6778
BCCM9001
BCCK4738
BCCK3839
BCCG8655

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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

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. 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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