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Bis(trimethylsilyl)acetylene

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Company Name: Capot Chemical Co.,Ltd.
Tel: 571-85586718 +8613336195806
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Products Intro: Product Name:1,2-Bis-trimethylsilanyl-ethyne
CAS:14630-40-1
Purity:98% (Min,GC) Package:100g;1kg;5kg,10kg,25kg,50kg
Company Name: Shanghai Daken Advanced Materials Co.,Ltd
Tel: +86-371-66670886
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Products Intro: Product Name:DK080
CAS:14630-40-1
Purity:99% Package:1KG ;10KG ;100KG Remarks:Low M.W.Organic Silanes Professor
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: +86-0371-55170693 +86-19937530512
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Products Intro: Product Name:TIANFU-CHEM Bis(trimethylsilyl)acetylene 14630-40-1
CAS:14630-40-1
Purity:99% Package:25KG;5KG;1KG
Company Name: Hangzhou FandaChem Co.,Ltd.
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Products Intro: Product Name:BIS(TRIMETHYLSILYL)ACETYLENE
CAS:14630-40-1
Purity:as in COA Package:as customers' requirements
Company Name: Nanjing ChemLin Chemical Industry Co., Ltd.
Tel: 025-83697070
Email: product@chemlin.com.cn
Products Intro: CAS:14630-40-1
Purity:97% Package:g-Kg Remarks:Colorless liquid

Bis(trimethylsilyl)acetylene manufacturers
Bis(trimethylsilyl)acetylene Basic information
Product Name:Bis(trimethylsilyl)acetylene
Synonyms:BIS(TRIMETHYLSILYL)ACETYLENE;Bis(trimethylsilyl)acetylene 99%;TIMTEC-BB SBB008997;1,2-Bis(trimethylsilyl)acetylene;1,2-ethynediylbis[trimethyl-silan;1,2-ethynediylbis[trimethyl-Silane;2,5-Disilahex-3-yne, 2,2,5,5-tetramethyl-;Acetylene, bis(trimethylsilyl)-
CAS:14630-40-1
MF:C8H18Si2
MW:170.4
EINECS:238-671-9
Product Categories:Alkynes;Building Blocks;Chemical Synthesis;Internal;Organic Building Blocks;organosilicon compounds;Industrial/Fine Chemicals;Acetylenes;Ethynylsilanes;Functionalized Acetylenes;Si (Classes of Silicon Compounds);Si-(C)4 Compounds;Silicon Compounds (for Synthesis);Synthetic Organic Chemistry
Mol File:14630-40-1.mol
Bis(trimethylsilyl)acetylene Structure
Bis(trimethylsilyl)acetylene Chemical Properties
Melting point 21-24 °C(lit.)
Boiling point 136-137 °C(lit.)
density 0.752 g/mL at 25 °C(lit.)
refractive index n20/D 1.427(lit.)
Fp 29 °C
storage temp. 2-8°C
solubility soluble in Chloroform, Methanol
form liquid
Specific Gravity0.770
color colorless
Water Solubility MAY DECOMPOSE
Hydrolytic Sensitivity2: reacts with aqueous acid
BRN 906870
InChIKeyZDWYFWIBTZJGOR-UHFFFAOYSA-N
CAS DataBase Reference14630-40-1(CAS DataBase Reference)
NIST Chemistry ReferenceSilane, 1,2-ethynediylbis[trimethyl-(14630-40-1)
EPA Substance Registry SystemSilane, 1,2-ethynediylbis[trimethyl- (14630-40-1)
Safety Information
Hazard Codes F,Xi
Risk Statements 11-36/37/38-10
Safety Statements 16-26-36
RIDADR UN 1993 3/PG 2
WGK Germany 3
F 10
TSCA Yes
HazardClass 3
PackingGroup III
HS Code 29310095
MSDS Information
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Bis(trimethylsilyl)acetylene English
SigmaAldrich English
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Bis(trimethylsilyl)acetylene Usage And Synthesis
Chemical Propertiesclear colorless liquid after melting
UsesIn the presence of CpCo(CO)2 (cat. no. 245259), undergoes cycloaddition with 1,5-hexadiynes to form benzocyclobutenes.1
UsesBTMSA is used as starting reagent in the synthesis of functionalized 4-R-1,2-bis(trimethylsilyl)benzenes. It is also used in the synthesis of (+)-brasilenyne2 and (β-diketanato)Ag(BTMSA). Bis(trimethylsilyl)acetylene is a ligand that binds to a central metal ion (e.g. Titanium) to create a coordination complex. One of its complexes, Permethyltitanocene-bis(trimethylsilyl)acetylene, is a catalyst for the head-to-tail dimerization of 1-alkynes (e.g. 3-Penten-1-yne [P227430]).
General DescriptionBis(trimethylsilyl)acetylene (BTMSA) participates as nucleophile in Friedel-Crafts type acylations and alkylations. BTMSA undergoes rhodium catalyzed addition reaction with diarylacetylenes. It undergoes cycloaddition with 1,5-hexadiynes in the presence of CpCo(CO)2 (Cp=cyclopentadienyl) to form benzocyclobutenes. Structure of BTMSA was characterized by a centre of inversion present on triple bond (length=1.208(3)?). TiCl4-Et2AlCl catalyzed Diels-Alder reaction of BTMSA with norbornadiene has been reported.
Purification MethodsDissolve it in pet ether and wash it with ice-cold dilute HCl. The pet ether extract is dried (MgSO4), evaporated and fractionated at 760mm. [Walton & Waugh J Organomet Chem 37 45 1972, Beilstein 4 IV 3950.]
Tag:Bis(trimethylsilyl)acetylene(14630-40-1) Related Product Information
Bis(trimethylsilyl)sulfate BIS(TRIMETHYLSILYLMETHYL)AMINE BIS(TRIMETHYLSILYLMETHYL)DICHLOROSILANE BIS(PHENYLETHYNYL)DIMETHYLSILANE 1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE BIS(DIETHYLAMINO)DIMETHYLSILANE bis(4-broMophenyl)-diphenyl-silane bis(4-broMophenyl)diMethylsilane BIS(TRICHLOROSILYLETHYL)BENZENE,TECH-95 BIS(METHYLDIETHOXYSILYLPROPYL)AMINE Bis(trimethylsilyl)methane Tetramethylsilane Bis(trimethylsilyl)acetylene Trimethylsilylacetylene (BIS(TRIMETHYLSILYL)ACETYLENE)(HEXAFLUO&,(bis(trimethylsilyl)acetylene)(hexafluoro-acetyla (TRIMETHYLSILYL)ACETYLENE-13C2 [BIS(TRIMETHYLSILYL)ACETYLENE](HEXAFLUOROACETYLACETONATO)COPPER(I) Bis(trimethylsilyl)acetylene-bis(cyclopentadienyl)(pyridine)zirconium,Bis(cyclopentadienyl)zirconium bis(trimethylsilyl)acetylene pyridine complex