HAFNIUM TETRA-T-BUTOXIDE
Hafnium t-butoxide
CAS: 2172-02-3
Molecular Formula: C16H36HfO4
HAFNIUM TETRA-T-BUTOXIDE - Names and Identifiers
| Name | Hafnium t-butoxide |
| Synonyms | HAFNIUM T-BUTOXIDE Hafnium t-butoxide Hafnium tert-butoxide HAFNIUM TERT-BUTOXIDE HAFNIUM (IV) T-BUTOXIDE HAFNIUM TETRA-T-BUTOXIDE Hafnium(IV) tert-butoxide hafnium tetrakis(2-methylpropan-2-olate) |
| CAS | 2172-02-3 |
| InChI | InChI=1/4C4H9O.Hf/c4*1-4(2,3)5;/h4*1-3H3;/q4*-1;+4 |
HAFNIUM TETRA-T-BUTOXIDE - Physico-chemical Properties
| Molecular Formula | C16H36HfO4 |
| Molar Mass | 470.94 |
| Density | 1.166g/mLat 25°C(lit.) |
| Melting Point | 2℃ |
| Boling Point | 90°C5mm Hg(lit.) |
| Flash Point | 83°F |
| Solubility | Soluble in hydrocarbons, reacts with alcohols, ketones, and esters |
| Vapor Presure | 46mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.166 |
| Exposure Limit | ACGIH: TWA 0.5 mg/m3NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3 |
| Storage Condition | Room Temprature |
| Sensitive | Moisture Sensitive/Light Sensitive |
| Refractive Index | n20/D 1.424(lit.) |
| MDL | MFCD00070458 |
HAFNIUM TETRA-T-BUTOXIDE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| TSCA | No |
| Hazard Class | 3 |
| Packing Group | II |
HAFNIUM TETRA-T-BUTOXIDE - Introduction
Hafnium t-butoxide(Hafnium t-butoxide) is an organic Hafnium compound with the chemical formula Hf(OC4H9)4. The following is a description of the nature, use, preparation and safety information of Hafnium t-butoxide:
Nature:
-Appearance: Hafnium t-butoxide is solid, white crystalline at room temperature.
-Solubility: It can be dissolved in organic solvents, such as toluene, dimethylformamide, etc.
-Stability: Hafnium t-butoxide is relatively stable in the air, but it is prone to moisture, hydrolysis and reaction with oxygen in the air.
Use:
Hafnium t-butoxide is mainly used in the following areas:
-Chemical vapor deposition (CVD): It can be used as a metal organic precursor for depositing metal hafnium films.
-Semiconductor material: Hafnium t-butoxide can be used to prepare Hafnium oxide films for the preparation of semiconductor materials.
-Catalyst: It can be used as a catalyst or complexing agent and plays an important role in organic synthesis.
Method:
The preparation of Hafnium t-butoxide is usually obtained by reacting Hafnium tetrachloride (HfCl4) with tert-butyl alcohol (t-BuOH). The reaction process needs to be carried out under an inert atmosphere and at a low temperature.
Safety Information:
- Hafnium t-butoxide is irritating and corrosive to the skin and eyes. Personal protective equipment such as protective gloves, glasses and laboratory coats should be worn during use.
-It is easily hydrolyzed in a humid environment, so it should be stored and used under dry conditions.
- Hafnium t-butoxide should be operated carefully to avoid contact with moisture and oxygen in the air.
Nature:
-Appearance: Hafnium t-butoxide is solid, white crystalline at room temperature.
-Solubility: It can be dissolved in organic solvents, such as toluene, dimethylformamide, etc.
-Stability: Hafnium t-butoxide is relatively stable in the air, but it is prone to moisture, hydrolysis and reaction with oxygen in the air.
Use:
Hafnium t-butoxide is mainly used in the following areas:
-Chemical vapor deposition (CVD): It can be used as a metal organic precursor for depositing metal hafnium films.
-Semiconductor material: Hafnium t-butoxide can be used to prepare Hafnium oxide films for the preparation of semiconductor materials.
-Catalyst: It can be used as a catalyst or complexing agent and plays an important role in organic synthesis.
Method:
The preparation of Hafnium t-butoxide is usually obtained by reacting Hafnium tetrachloride (HfCl4) with tert-butyl alcohol (t-BuOH). The reaction process needs to be carried out under an inert atmosphere and at a low temperature.
Safety Information:
- Hafnium t-butoxide is irritating and corrosive to the skin and eyes. Personal protective equipment such as protective gloves, glasses and laboratory coats should be worn during use.
-It is easily hydrolyzed in a humid environment, so it should be stored and used under dry conditions.
- Hafnium t-butoxide should be operated carefully to avoid contact with moisture and oxygen in the air.
Last Update：2024-04-10 22:29:15
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