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Merck

667943

Sigma-Aldrich

Hafnium(IV) n-butoxide

Synonym(s):

n-Butoxy hafnium, Tetrabutoxyhafnium(IV)

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About This Item

Empirical Formula (Hill Notation):
C16H36HfO4
CAS Number:
Molecular Weight:
470.94
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

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form

liquid

Quality Level

reaction suitability

core: hafnium
reagent type: catalyst

density

1.2376 g/mL

SMILES string

CCCCO[Hf](OCCCC)(OCCCC)OCCCC

InChI

1S/4C4H9O.Hf/c4*1-2-3-4-5;/h4*2-4H2,1H3;/q4*-1;+4

InChI key

LTBRWBUKPWVGFA-UHFFFAOYSA-N

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This Item
163619252751144320
Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

100

bp

179 °C/15 mmHg (lit.)

bp

-

bp

-

bp

-

mp

113-115 °C (lit.)

mp

62-64 °C (lit.)

mp

51-53 °C (lit.)

mp

140-142 °C (lit.)

functional group

aldehyde

functional group

aldehyde, phenyl

functional group

-

functional group

aldehyde, nitro

General description

Hafnium(IV) n-butoxide is an organometal oxide widely used in the preparation of Hafnium nanomaterials and as a catalyst in polymerization reactions.[1] [2]

Application

Hafnium(IV) n-butoxide can be used:
  • As a sol-gel precursor to synthesize hafnium oxide(HfO2) ultra-thin films with enhanced dielectric properties.[1]
  • As a transesterification catalyst for the synthesis of poly(butylene succinate) (PBS).[2]
  • As a precursor to fabricate BaHfO3(Barium hafnate) perovskitenanocrystals for various electronic applications.[3]

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Sens. 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

95.0 °F

Flash Point(C)

35 °C


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