CAS No.89343-06-6,(TRIISOPROPYLSILYL)ACETYLENE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	89343-06-6
Name:	(TRIISOPROPYLSILYL)ACETYLENE
Article Data:	8

Formula:	C₁₁H₂₂Si
Molecular Weight:	182.381
Synonyms:	Ethynyltriisopropylsilane;Ethynyltris(1-methylethyl)silane;Ethynyltris(triisopropyl)silane;Triisopropylacetylene;Triisopropylsilylacetylene;Triisopropylsilylethyne;
EINECS:	629-580-9
Density:	0.79 g/cm³
Melting Point:	50-51 °C
Boiling Point:	230.746 °C at 760 mmHg
Flash Point:	56.111 °C
Appearance:	clear colorless liquid
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-36/37/39-37/39
PSA:	0.00000
LogP:	3.83760

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Specification

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