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Merck

87560

Isopropossido di titanio (IV)

≥97.0%

Sinonimo/i:

Ortotitanato di tetraisopropile

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100 ML

CHF 64.70

500 ML

CHF 124.00

CHF 64.70


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Informazioni su questo articolo

Formula condensata:
Ti[OCH(CH3)2]4
Numero CAS:
Peso molecolare:
284.22
UNSPSC Code:
12352106
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-909-6
Beilstein/REAXYS Number:
3679474
MDL number:

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Nome del prodotto

Isopropossido di titanio (IV), ≥97.0%

InChI key

VXUYXOFXAQZZMF-UHFFFAOYSA-N

InChI

1S/4C3H7O.Ti/c4*1-3(2)4;/h4*3H,1-2H3;/q4*-1;+4

SMILES string

CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C

assay

≥97.0%

form

liquid

reaction suitability

core: titanium
reagent type: Lewis acid
reagent type: catalyst

refractive index

n20/D 1.464 (lit.)

bp

232 °C (lit.)

mp

14-17 °C (lit.)

density

0.96 g/mL at 20 °C (lit.)

Quality Level

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205273377996687502
reaction suitability

core: titanium, reagent type: catalyst, reagent type: Lewis acid

reaction suitability

core: titanium, reagent type: catalyst

reaction suitability

core: titanium, reagent type: catalyst

reaction suitability

core: titanium, reagent type: catalyst

assay

≥97.0%

assay

97%

assay

99.999% trace metals basis

assay

99.999%

form

liquid

form

liquid

form

liquid

form

liquid

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

density

0.96 g/mL at 20 °C (lit.)

density

0.96 g/mL at 20 °C (lit.)

density

0.96 g/mL at 20 °C (lit.)

density

0.96 g/mL at 20 °C (lit.)

bp

232 °C (lit.)

bp

232 °C (lit.)

bp

232 °C (lit.)

bp

232 °C (lit.)

Application

Nuovi ibridi di ossido di metallo/fosfonato sono stati prodotti a partire da isopropossido di titanio (IV) in un processo sol-gel a due fasi. Materiale di partenza per film sottili di titanato di bario-stronzio. Utilizzato per produrre titanosilicati porosi, come potenziali materiali di scambio ionico per lo smaltimento dei rifiuti radioattivi. Usato nella formazione di un'eterosupermolecola costituita da un complesso accettore di elettroni di nanocristallito di TiO2 -viologeno di cui è stato dimostrato il trasferimento di elettroni indotto dalla luce.

Disclaimer

may discolor on storage

General description

Titanium(IV) isopropoxide is a Lewis acid catalyst used in organic reactions like Sharpless epoxidation.[1]

Other Notes

Additive used in the Sharpless asymmetric epoxidation of allylic alcohols[2]; Catalyst used for transesterifications with various alcohols under neutral conditions[3]

pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3

target_organs

Central nervous system

Classe di stoccaggio

3 - Flammable liquids

wgk

WGK 1

flash_point_f

105.8 °F - Pensky-Martens closed cup

flash_point_c

41 °C - Pensky-Martens closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Certificati d'analisi (COA)

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R. Imwinkelried et al.
Organic Syntheses, 65, 230-230 (1987)
Catalyst design for alkene epoxidation by molecular analogues of heterogeneous titanium-silicalite catalysts
Sole DA, et al.
ACS Catalysis, 10, 4737-4750 (2020)
Alexander V Agafonov et al.
Polymers, 12(9) (2020-09-24)
Electrorheological elastomers based on polydimethylsiloxane filled with hydrated titanium dioxide with a particle size of 100-200 nm were obtained by polymerization of the elastomeric matrix, either in the presence, or in the absence, of an external electric field. The viscoelastic
Henrique Antonio Mendonça Faria et al.
Materials science & engineering. C, Materials for biological applications, 56, 260-268 (2015-08-08)
The structural and electronic properties of titanium oxide nanotubes (TiO2) have attracted considerable attention for the development of therapeutic devices and imaging probes for nanomedicine. However, the fluorescence response of TiO2 has typically been within ultraviolet spectrum. In this study
Yann Sarazin et al.
Dalton transactions (Cambridge, England : 2003), (2)(2), 340-350 (2005-12-21)
The reactions of the bulky amino-bis(phenol) ligand Me(2)NCH(2)CH(2)N[CH(2)-3,5-Bu(t)(2)-C(6)H(2)OH-2](2)(1-H(2)) with Zn[N(SiMe(3))(2)](2)(4), [Mg[N(SiMe(3))(2)](2)](2)(5) and Ca[N(SiMe(3))(2)](2)(THF)(2)(6) yield the complexes 1-Zn, 1-Mg and 1-Ca in good yields. The X-ray structure of 1-Ca showed the complex to be dimeric, with calcium in a distorted octahedral

Questions

1–2 of 2 Questions  
  1. 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/418/501/product-dating-information-06-25-mk.pdf

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  2. 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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