667943

Hafnium(IV) n-butoxide

• Synonym(s): n-Butoxy hafnium, Tetrabutoxyhafnium(IV)
• Empirical Formula (Hill Notation): C₁₆H₃₆HfO₄
• CAS Number: 22411-22-9
• Molecular Weight: 470.94
• MDL number: MFCD00236545
• UNSPSC Code: 12352103
• PubChem Substance ID: 24884949
• NACRES: NA.23

Properties

• form: liquid
• 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

Description

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]

Safety Information

• pictograms: GHS02,GHS05,GHS07
• signalword: Danger
• hcodes: H226,H317,H318
• pcodes: P210 - P280 - P302 + P352 - P305 + P351 + P338 + P310
• Hazard Classifications: Eye Dam. 1 - Flam. Liq. 3 - Skin Sens. 1
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 95.0 °F
• flash_point_c: 35 °C