Triethylindium
Chemical compound
From Wikipedia, the free encyclopedia
Triethylindium is an organometallic compound. Its chemical formula is In(CH2CH3)3.[2][3]
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| Names | |
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| IUPAC name
Triethylindium | |
| Other names
Indium triethyl, triethylindigane, indiumtriethyl, TEI, TEIn | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.011.905 |
PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| In(CH2CH3)3 | |
| Molar mass | 202.004 g·mol−1 |
| Appearance | Colorless liquid[1] |
| Density | 1.384 g/cm3[1] |
| Melting point | −32 °C (−26 °F; 241 K)[1] |
| Boiling point | 144 °C (291 °F; 417 K) |
| Reacts violently[1] | |
Refractive index (nD) |
1.5380 |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
Causes severe skin burns and serious eye damage. Spontaneously ignites on air. |
| GHS labelling: | |
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| Danger | |
| H250, H314 | |
| P210, P222, P231, P233, P260, P264, P280, P301+P330+P331, P302+P335+P334, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P405, P501 | |
| Related compounds | |
Related compounds |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis
This compound can be obtained by reacting indium(III) bromide with a diethyl ether solution of ethylmagnesium bromide:
- InBr3 + 3 CH3CH2MgBr → In(CH2CH3)3 + 3 MgBr2
Other routes are also known.[4]
Properties
Indium triethyl is a colorless, toxic, oxidation and hydrolysis-sensitive liquid. It is a monomer in the gaseous and dissolved state. The compound reacts with halomethanes to form diethyl indium halides.[5]
Triethylindium reacts violently with water:
- In(CH2CH3)3 + H2O → In(CH2CH3)2OH + C2H6↑
Applications
Indium triethyl is used to prepare indium phosphide layers for microelectronics.[6]