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ChemicalBook >> CAS DataBase List >> HAFNIUM TERT-BUTOXIDE

HAFNIUM TERT-BUTOXIDE

$101 - $2148
Product name: HAFNIUM TERT-BUTOXIDE
CAS: 2172-02-3
MF: C16H36HfO4
MW: 470.94
EINECS:
MDL Number:MFCD00070458
Synonyms:HAFNIUM (IV) T-BUTOXIDE;HAFNIUM T-BUTOXIDE;HAFNIUM TERT-BUTOXIDE;HAFNIUM TETRA-T-BUTOXIDE;Hafnium(IV) t-butoxide (99.9%-Hf);Hafnium tert-butoxide, 99.9% (metals basis excluding Zr), Zr< 0.2%;Hafnium(IV) tert-butoxide;Hafnium(IV) tert-butoxide, 99.9% trace metals basis excluding Zr

Price13 Properties Safety Information Description

13 prices

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ProChem
Sigma-Aldrich
Strem Chemicals
Thermo Scientific Chemicals

Package

2g
5G
10gm
10G
50gm
50g

ManufacturerProChem
Product number1952
Product descriptionHafnium (IV) t-Butoxide 99.9%
Packaging10gm
Price$230
Updated2021-12-16
Buy

ManufacturerProChem
Product number1952
Product descriptionHafnium (IV) t-Butoxide 99.9%
Packaging50gm
Price$770
Updated2021-12-16
Buy

ManufacturerSigma-Aldrich
Product number760463
Product descriptionHafnium(IV) tert-butoxide packaged for use in deposition systems
Packaging10G
Price$1180
Updated2023-06-20
Buy

ManufacturerSigma-Aldrich
Product number445541
Product descriptionHafnium(IV) tert-butoxide 99.99% trace metals basis (purity excludes ~2000 ppm zirconium.)
Packaging5G
Price$427
Updated2026-04-30
Buy

ManufacturerStrem Chemicals
Product number72-5800
Product descriptionHafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr)
Packaging50g
Price$1315
Updated2024-03-01
Buy

ManufacturerStrem Chemicals
Product number72-5800
Product descriptionHafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr) (99.9%-Hf)
Packaging50g
Price$1322
Updated2026-04-30
Buy

ManufacturerStrem Chemicals
Product number72-5800
Product descriptionHafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr)
Packaging10g
Price$405
Updated2024-03-01
Buy

ManufacturerStrem Chemicals
Product number72-5800
Product descriptionHafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr) (99.9%-Hf)
Packaging10g
Price$408
Updated2026-04-30
Buy

ManufacturerStrem Chemicals
Product number72-5800
Product descriptionHafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr)
Packaging2g
Price$101
Updated2024-03-01
Buy

ManufacturerStrem Chemicals
Product number72-5800
Product descriptionHafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr) (99.9%-Hf)
Packaging2g
Price$102
Updated2026-04-30
Buy

ManufacturerThermo Scientific Chemicals
Product number041908
Product descriptionHafnium tert-butoxide, 99.9% (metals basis excluding Zr), Zr< 0.5%
Packaging2g
Price$138
Updated2026-04-24
Buy

ManufacturerThermo Scientific Chemicals
Product number041908
Product descriptionHafnium tert-butoxide, 99.9% (metals basis excluding Zr) Zr< 0.5%
Packaging50g
Price$2148
Updated2026-04-24
Buy

ManufacturerThermo Scientific Chemicals
Product number041908
Product descriptionHafnium tert-butoxide, 99.9% (metals basis excluding Zr), Zr< 0.5%
Packaging10g
Price$616
Updated2026-04-24
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
ProChem	1952	Hafnium (IV) t-Butoxide 99.9%	10gm	$230	2021-12-16	Buy
ProChem	1952	Hafnium (IV) t-Butoxide 99.9%	50gm	$770	2021-12-16	Buy
Sigma-Aldrich	760463	Hafnium(IV) tert-butoxide packaged for use in deposition systems	10G	$1180	2023-06-20	Buy
Sigma-Aldrich	445541	Hafnium(IV) tert-butoxide 99.99% trace metals basis (purity excludes ~2000 ppm zirconium.)	5G	$427	2026-04-30	Buy
Strem Chemicals	72-5800	Hafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr)	50g	$1315	2024-03-01	Buy
Strem Chemicals	72-5800	Hafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr) (99.9%-Hf)	50g	$1322	2026-04-30	Buy
Strem Chemicals	72-5800	Hafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr)	10g	$405	2024-03-01	Buy
Strem Chemicals	72-5800	Hafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr) (99.9%-Hf)	10g	$408	2026-04-30	Buy
Strem Chemicals	72-5800	Hafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr)	2g	$101	2024-03-01	Buy
Strem Chemicals	72-5800	Hafnium(IV) t-butoxide (99.9%-Hf, <1.5%-Zr) (99.9%-Hf)	2g	$102	2026-04-30	Buy
Thermo Scientific Chemicals	041908	Hafnium tert-butoxide, 99.9% (metals basis excluding Zr), Zr< 0.5%	2g	$138	2026-04-24	Buy
Thermo Scientific Chemicals	041908	Hafnium tert-butoxide, 99.9% (metals basis excluding Zr) Zr< 0.5%	50g	$2148	2026-04-24	Buy
Thermo Scientific Chemicals	041908	Hafnium tert-butoxide, 99.9% (metals basis excluding Zr), Zr< 0.5%	10g	$616	2026-04-24	Buy

Properties

Melting point :2℃
Boiling point :90 °C5 mm Hg(lit.)
Density :1.166 g/mL at 25 °C(lit.)
refractive index :n20/D 1.424(lit.)
Flash point :83 °F
solubility :Soluble in hydrocarbons, reacts with alcohols, ketones, and esters
form :Liquid
Specific Gravity :1.166
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
Sensitive :Moisture Sensitive/Light Sensitive
Exposure limits :ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3 InChI :1S/4C4H9O.Hf/c4*1-4(2,3)5;/h4*1-3H3;/q4*-1;+4
InChIKey :WZVIPWQGBBCHJP-UHFFFAOYSA-N
SMILES :CC(C)(C)O[Hf](OC(C)(C)C)(OC(C)(C)C)OC(C)(C)C
CAS DataBase Reference :2172-02-3(CAS DataBase Reference)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H226	Flammable liquid and vapour	Flammable liquids	Category 3	Warning
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P210	Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Hafnium tert-butoxide [Hf(OtBu)₄] is a mononuclear; volatile; and highly promising precursor for the deposition of HfO₂ and other hafnium doped thin films by vapor deposition techniques. The deposited films show high dielectric constant suitable for semiconductor devices.

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HAFNIUM TERT-BUTOXIDE CAS:2172-02-3

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HAFNIUM TERT-BUTOXIDE

Properties

Safety Information

Description

Related product price

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