CAS No.54655-07-1,LITHIUM (TRIMETHYLSILYL)ACETYLIDE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	54655-07-1
Name:	LITHIUM (TRIMETHYLSILYL)ACETYLIDE
Article Data:	36

Formula:	C₅H₉LiSi
Molecular Weight:	104.153
Synonyms:	Lithium-(trimethylsilyl)ethinid;
Density:	0.829 g/mL at 25 °C
Boiling Point:	53 °C at 760 mmHg
Flash Point:	−10 °F
Hazard Symbols:	F;C
Risk Codes:	11-19-34
Safety:	16-26-36/37/39-45
Transport Information:	UN 2924
PSA:	0.00000
LogP:	1.37400

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Specification

The Lithium,[2-(trimethylsilyl)ethynyl]-, with the CAS registry number of 54655-07-1, is also known as Lithium-(trimethylsilyl)ethinid. Its molecular formula is C₅H₉LiSi and molecular weight is 104.15. What's more, its IUPAC name is Lithium ethynyl(trimethyl)silane. In addition, it must be stored in airtight containers and placed in a dry, cool place.

Physical properties about the Lithium,[2-(trimethylsilyl)ethynyl]- are: (1)ACD/LogP: 2.16; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.16; (4)ACD/LogD (pH 7.4): 2.16; (5)ACD/BCF (pH 5.5): 25.64; (6)ACD/BCF (pH 7.4): 25.64; (7)ACD/KOC (pH 5.5): 354.88; (8)ACD/KOC (pH 7.4): 354.88; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 0 Å²; (13)Enthalpy of Vaporization: 28.39 kJ/mol; (14)Boiling Point: 53 °C at 760 mmHg; (15)Vapour Pressure: 273 mmHg at 25 °C.

Uses: it is used to produce other chemicals. For example, it is used to produce 2-Methyl-5-trimethylsilanyl-pent-4-yn-2-ol. This reaction needs solvent Tetrahydrofuran. The reaction time is 21 h. The yield is about 90 %.

The Lithium,[2-(trimethylsilyl)ethynyl]- can react with 2,2-Dimethyl-oxirane to get 2-Methyl-5-trimethylsilanyl-pent-4-yn-2-ol

When you are using this chemical, please be cautious about it as the following:
As a chemical, it may cause burns. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice. In addition, during using it, wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1) SMILES: [Li+].[C-]#C[Si](C)(C)C
(2) InChI: InChI=1/C5H9Si.Li/c1-5-6(2,3)4;/h2-4H3;/q-1;+1
(3) InChIKey: WDDOQHLJFOUQMW-UHFFFAOYAX