Diisobutylaluminium hydride
Diisobutylaluminum hydride
CAS: 1191-15-7
Molecular Formula: C8H19Al
Diisobutylaluminium hydride - Names and Identifiers
| Name | Diisobutylaluminum hydride |
| Synonyms | DIBAL-H DIBAH~DIBAL-H Diisobutylaluminum hydride Di-i-butylaluminum hydride Diisobutylaluminium hydride hydrido[bis(2-methylpropyl)]aluminum bis(2-methylpropyl)aluminum(1+) hydride Diibutylaluminumhydrideinhexanecolorlessliq DiisobutylaluMinuM hydride solution 1.0 M in cyclohexane |
| CAS | 1191-15-7 |
| EINECS | 214-729-9 |
| InChI | InChI=1/2C4H9.Al.H/c2*1-4(2)3;/h2*4H,1H2,2-3H3;/q;+1;-1/rC8H18Al.H/c1-7(2)5-9-6-8(3)4;/h7-8H,5-6H2,1-4H3;/q+1;-1 |
Diisobutylaluminium hydride - Physico-chemical Properties
| Molecular Formula | C8H19Al |
| Molar Mass | 142.218 |
| Density | 1.23 g/mL at 25 °C |
| Melting Point | -70℃ |
| Boling Point | 65 °C |
| Flash Point | 40 °F |
| Water Solubility | vigorous reaction |
| Physical and Chemical Properties | Diisobutyl aluminum hydride is also called Dibal. Colorless liquid. Relative molecular mass 122.22. Relative density 0.789 (25 ℃). Melting point -47 ℃. Boiling point 140 ℃(0.533 × 103Pa). The viscosity 18.0mpa s(25 ℃). It reacts violently in water to produce hydrogen and isobutane. Tetrahydrofuran is not suitable as a Dibal solvent because the two react to form coordination compounds. |
| Use | 二异丁基氢化铝是有机合成中有用的还原剂。使用它的一些还原方法包括将酯转化为醛，以及将无环酯还原乙酰化为α-乙酰氧基醚。它被用于连续减少流量，以合成甲磺酸埃里布林（一种抗癌药）的偶联反应合成。 |
Diisobutylaluminium hydride - Risk and Safety
| Hazard Symbols | F - Flammable C - Corrosive  |
| Risk Codes | R11 - Highly Flammable R35 - Causes severe burns R63 - Possible risk of harm to the unborn child R65 - Harmful: May cause lung damage if swallowed R67 - Vapors may cause drowsiness and dizziness |
| 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. S29 - Do not empty into drains. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S46 - If swallowed, seek medical advice immediately and show this container or label. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 3394 |
Diisobutylaluminium hydride - Upstream Downstream Industry
Diisobutylaluminium hydride - Introduction
Diisobutylaluminum hydride is a common organometallic compound with the chemical formula (C4H9)2AlH. The following is a description of the nature, use, preparation and safety information of diisobutyl aluminum hydride:
Nature:
1. appearance: colorless liquid or solid. It is usually liquid at room temperature, but will become solid at low temperature.
2. Melting point:-62°C
3. Boiling point: 105-150°C
4. Density: 0.799 g/mL
5. Solubility: Soluble with some organic solvents such as toluene, ether and chloroform.
Use:
1. diisobutyl aluminum hydride is commonly used as a reducing agent, can reduce many organic compounds, such as aldehydes, ketones, esters and carboxylic acids.
2. In organic synthesis, it can be used to synthesize alcohols, amines, imines and other organic compounds.
3. In the field of polymer chemistry, diisobutyl aluminum hydride can be used as a catalyst to promote the polymerization reaction.
Preparation Method:
The preparation of diisobutylaluminum hydride is usually achieved using the reaction of aluminum halide and isobutylene. First, aluminum halide is dissolved in an organic solvent, and then isobutylene is gradually added to the aluminum halide solution. After the reaction occurs, diisobutylaluminum hydride is produced. Finally, the pure product can be isolated by filtration or distillation.
Safety Information:
1. two isobutyl aluminum hydride is a flammable liquid, encounter fire or high temperature may cause fire.
2. This compound is irritating to skin and eyes. Personal protective equipment should be worn when using it and prevent contact with skin and eyes.
3. During use or storage, care should be taken to avoid contact with water and oxygen to avoid dangerous reactions.
4. must be stored in a cool, dry and well-ventilated place, away from fire and other dangerous substances.
Please note that diisobutyl aluminum hydride is a professional compound. Relevant operating procedures and safe operating methods must be followed during use to ensure safety and normal use.
Nature:
1. appearance: colorless liquid or solid. It is usually liquid at room temperature, but will become solid at low temperature.
2. Melting point:-62°C
3. Boiling point: 105-150°C
4. Density: 0.799 g/mL
5. Solubility: Soluble with some organic solvents such as toluene, ether and chloroform.
Use:
1. diisobutyl aluminum hydride is commonly used as a reducing agent, can reduce many organic compounds, such as aldehydes, ketones, esters and carboxylic acids.
2. In organic synthesis, it can be used to synthesize alcohols, amines, imines and other organic compounds.
3. In the field of polymer chemistry, diisobutyl aluminum hydride can be used as a catalyst to promote the polymerization reaction.
Preparation Method:
The preparation of diisobutylaluminum hydride is usually achieved using the reaction of aluminum halide and isobutylene. First, aluminum halide is dissolved in an organic solvent, and then isobutylene is gradually added to the aluminum halide solution. After the reaction occurs, diisobutylaluminum hydride is produced. Finally, the pure product can be isolated by filtration or distillation.
Safety Information:
1. two isobutyl aluminum hydride is a flammable liquid, encounter fire or high temperature may cause fire.
2. This compound is irritating to skin and eyes. Personal protective equipment should be worn when using it and prevent contact with skin and eyes.
3. During use or storage, care should be taken to avoid contact with water and oxygen to avoid dangerous reactions.
4. must be stored in a cool, dry and well-ventilated place, away from fire and other dangerous substances.
Please note that diisobutyl aluminum hydride is a professional compound. Relevant operating procedures and safe operating methods must be followed during use to ensure safety and normal use.
Last Update：2024-04-10 22:29:15
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