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

Properties

• Quality Level: 100
• assay: 99.99% trace metals basis (purity excludes ~2000 ppm zirconium.)
• form: liquid
• 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

Description

General description

Atomic number of base material: 72 Hafnium

Safety Information

• pictograms: GHS02,GHS07
• signalword: Warning
• hcodes: H226,H315,H319,H335
• pcodes: P210 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• wgk_germany: 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