3989-15-9
trimethyl[(2-methylphenyl)ethynyl]silane
CAS: 3989-15-9
Molecular Formula: C12H16Si
3989-15-9 - Names and Identifiers
| Name | trimethyl[(2-methylphenyl)ethynyl]silane |
| Synonyms | 2-TRIMETHYLSILYLETHYNYLTOLUENE trimethyl(o-tolylethynyl)silane trimethyl[(2-methylphenyl)ethynyl]silane Trimethyl-[2-(2-Methylphenyl)Ethynyl]Silane Benzene, 1-methyl-2-[2-(trimethylsilyl)ethynyl]- |
| CAS | 3989-15-9 |
| InChI | InChI=1/C12H16Si/c1-11-7-5-6-8-12(11)9-10-13(2,3)4/h5-8H,1-4H3 |
3989-15-9 - Physico-chemical Properties
| Molecular Formula | C12H16Si |
| Molar Mass | 188.34 |
| Density | 0.880g/mLat 25°C(lit.) |
| Boling Point | 50-60°C0.5mm Hg(lit.) |
| Flash Point | 195°F |
| Vapor Presure | 0.121mmHg at 25°C |
| Specific Gravity | 0.880 |
| Storage Condition | below 5° C |
| Sensitive | 4: no reaction with water under neutral conditions |
| Refractive Index | n20/D 1.5320(lit.) |
3989-15-9 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | NA 1993 / PGIII |
| WGK Germany | 3 |
| TSCA | No |
3989-15-9 - Introduction
trimethyl[(2-methylphenyl)ethynyl]silane is an organosilicon compound whose chemical formula is C15H18Si. It has the following properties:
1. Appearance: trimethyl[(2-methylphenyl)ethynyl]silane is a colorless to pale yellow liquid.
2. Solubility: It is soluble in common organic solvents, such as ether, dichloromethane and benzene.
3. Melting point and boiling point: Its melting point is -30°C and boiling point is 125°C.
4. Stability: trimethyl[(2-methylphenyl)ethynyl]silane is stable to air and water, and has good heat resistance and chemical stability at room temperature.
5. Reactivity: it belongs to the silicon alkene compounds, with uramo type reaction activity, with halogen, thiol and other substitution reaction.
trimethyl[(2-methylphenyl)ethynyl]silane has a wide range of applications in organic synthesis:
1. Catalyst: As a catalyst for metal-organic chemical reactions, it can be used to construct the synthesis of complex organic molecules.
2. Synthesis of organosilicon compounds: As a starting material or intermediate of organosilicon compounds, it can be used for the preparation of organosilicon polymers.
3. Film materials: can be used to prepare organic silicon film, widely used in electronic devices, optical coatings and protective coatings and other fields.
The preparation method of trimethyl[(2-methylphenyl)ethynyl]silane can be carried out by the following steps:
1.2-(trimethylsilyl) vinyl benzene is obtained by reacting trimethylchlorosilane with 2-bromo toluene.
2. hydrogenating 2-(trimethylsilyl) vinylbenzene with hydrogen in the presence of a catalyst to generate trimethyl[(2-methylphenyl)ethynyl]silane.
Regarding the safety information of trimethyl[(2-methylphenyl)ethynyl]silane, the following matters need to be paid attention:
1. It is irritating, mainly to the skin and eyes. It is necessary to avoid contact with the skin and eyes when using it.
2. in the process of operation should pay attention to protective measures, such as wearing protective gloves, glasses and protective clothing.
3. Avoid inhaling gases, fumes, vapors and sprays.
4. Storage should avoid contact with oxidants and acids.
5. When using or handling the substance, follow safe operating procedures and ensure adequate ventilation.
6. if accidentally inhaled or ingested, should be timely medical treatment.
1. Appearance: trimethyl[(2-methylphenyl)ethynyl]silane is a colorless to pale yellow liquid.
2. Solubility: It is soluble in common organic solvents, such as ether, dichloromethane and benzene.
3. Melting point and boiling point: Its melting point is -30°C and boiling point is 125°C.
4. Stability: trimethyl[(2-methylphenyl)ethynyl]silane is stable to air and water, and has good heat resistance and chemical stability at room temperature.
5. Reactivity: it belongs to the silicon alkene compounds, with uramo type reaction activity, with halogen, thiol and other substitution reaction.
trimethyl[(2-methylphenyl)ethynyl]silane has a wide range of applications in organic synthesis:
1. Catalyst: As a catalyst for metal-organic chemical reactions, it can be used to construct the synthesis of complex organic molecules.
2. Synthesis of organosilicon compounds: As a starting material or intermediate of organosilicon compounds, it can be used for the preparation of organosilicon polymers.
3. Film materials: can be used to prepare organic silicon film, widely used in electronic devices, optical coatings and protective coatings and other fields.
The preparation method of trimethyl[(2-methylphenyl)ethynyl]silane can be carried out by the following steps:
1.2-(trimethylsilyl) vinyl benzene is obtained by reacting trimethylchlorosilane with 2-bromo toluene.
2. hydrogenating 2-(trimethylsilyl) vinylbenzene with hydrogen in the presence of a catalyst to generate trimethyl[(2-methylphenyl)ethynyl]silane.
Regarding the safety information of trimethyl[(2-methylphenyl)ethynyl]silane, the following matters need to be paid attention:
1. It is irritating, mainly to the skin and eyes. It is necessary to avoid contact with the skin and eyes when using it.
2. in the process of operation should pay attention to protective measures, such as wearing protective gloves, glasses and protective clothing.
3. Avoid inhaling gases, fumes, vapors and sprays.
4. Storage should avoid contact with oxidants and acids.
5. When using or handling the substance, follow safe operating procedures and ensure adequate ventilation.
6. if accidentally inhaled or ingested, should be timely medical treatment.
Last Update：2024-04-10 22:29:15
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3989-15-9
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1361459-59-7
1259576-94-7
57383-80-9
331763-69-0
767626-00-6
3-Ethynylbenzaldehyde
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