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445541

Hafnium(IV) tert-butoxide

99.99% trace metals basis (purity excludes ~2000 ppm zirconium.)

Synonym(s):

Hafnium tetrakis(tert -butoxide), Hafnium(IV) tert -butoxide, Tetra-tert -butoxyhafnium

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About This Item

Linear Formula:
Hf[OC(CH3)3]4
CAS Number:
2172-02-3
Molecular Weight:
470.94
NACRES:
NA.23
PubChem Substance ID:
24868190
UNSPSC Code:
12352103
MDL number:
MFCD00070458
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Quality Segment

100

assay

99.99% trace metals basis (purity excludes ~2000 ppm zirconium.)

reaction suitability

core: hafnium

refractive index

n20/D 1.424 (lit.)

bp

90 °C/5 mmHg (lit.)

density

1.166 g/mL at 25 °C (lit.)

SMILES string

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

InChI

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

InChI key

WZVIPWQGBBCHJP-UHFFFAOYSA-N

General description

Atomic number of base material: 72 Hafnium

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pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

82.4 °F - closed cup

flash_point_c

28 °C - closed cup

ppe

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

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