Basic Information | Post buying leads | Suppliers | Cas Database |
Name |
(Triisopropylsilyl)acetylene |
EINECS | 629-580-9 |
CAS No. | 89343-06-6 | Density | 0.79 g/cm3 |
PSA | 0.00000 | LogP | 3.83760 |
Solubility | N/A | Melting Point |
50-51 °C |
Formula | C11H22Si | Boiling Point | 230.746 °C at 760 mmHg |
Molecular Weight | 182.381 | Flash Point | 56.111 °C |
Transport Information | N/A | Appearance | clear colorless liquid |
Safety | 26-36/37/39-37/39 | Risk Codes | 36/37/38 |
Molecular Structure | Hazard Symbols | Xi | |
Synonyms |
Ethynyltriisopropylsilane;Ethynyltris(1-methylethyl)silane;Ethynyltris(triisopropyl)silane;Triisopropylacetylene;Triisopropylsilylacetylene;Triisopropylsilylethyne; |
Article Data | 8 |
The (Triisopropylsilyl)acetylene is an organic compound with the formula C11H22Si. The systematic name of this chemical is ethynyl(triisopropyl)silane. With the CAS registry number 89343-06-6, it is also named as Silane, ethynyltris(1-methylethyl)-. The product's categories are Acetylenes; Ethynylsilanes; Functionalized Acetylenes; Si (Classes of Silicon Compounds); Si-(C)4 Compounds. Besides, it is clear colorless liquid, which should be stored in a closed cool and dry place.
Physical properties about (Triisopropylsilyl)acetylene are: (1)ACD/LogP: 4.60; (2)ACD/LogD (pH 5.5): 4.597; (3)ACD/LogD (pH 7.4): 4.597; (4)ACD/BCF (pH 5.5): 1836.8; (5)ACD/BCF (pH 7.4): 1836.8; (6)ACD/KOC (pH 5.5): 7551.143; (7)ACD/KOC (pH 7.4): 7551.143; (8)#Freely Rotating Bonds: 3; (9)Index of Refraction: 1.429; (10)Molar Refractivity: 59.431 cm3; (11)Molar Volume: 230.741 cm3; (12)Polarizability: 23.56×10-24cm3; (13)Surface Tension: 22.064 dyne/cm; (14)Density: 0.79 g/cm3; (15)Flash Point: 56.111 °C; (16)Enthalpy of Vaporization: 44.84 kJ/mol; (17)Boiling Point: 230.746 °C at 760 mmHg; (18)Vapour Pressure: 0.098 mmHg at 25°C.
Preparation: this chemical can be prepared by 4-{dimethyl-[(triisopropylsilanyl)-ethynyl]-silanyl}-biphenyl. This reaction will need reagent K2CO3 and solvent methanol. The yield is about 83%.
Uses of (Triisopropylsilyl)acetylene: it can be used to produce bromoethynyl-triisopropyl-silane at temperature of 20 °C. It will need reagent NBS, AgNO3 and solvent acetone with reaction time of 2 hours. The yield is about 96%.
When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: CC(C)[Si](C#C)(C(C)C)C(C)C
(2)InChI: InChI=1/C11H22Si/c1-8-12(9(2)3,10(4)5)11(6)7/h1,9-11H,2-7H3
(3)InChIKey: KZGWPHUWNWRTEP-UHFFFAOYAM
(4)Std. InChI: InChI=1S/C11H22Si/c1-8-12(9(2)3,10(4)5)11(6)7/h1,9-11H,2-7H3
(5)Std. InChIKey: KZGWPHUWNWRTEP-UHFFFAOYSA-N