(3-bromophenylethynyl)trimethylsilane

Modify Date: 2026-07-16 15:29:24

(3-bromophenylethynyl)trimethylsilane Structure
(3-bromophenylethynyl)trimethylsilane structure
Common Name (3-bromophenylethynyl)trimethylsilane
CAS Number 3989-13-7 Molecular Weight 253.21000
Density 1.189 g/mL at 25ºC(lit.) Boiling Point 80ºC0.2 mm Hg(lit.)
Molecular Formula C11H13BrSi Melting Point N/A
MSDS Chinese USA Flash Point >230 °F

Summary: 2-(3-bromophenylethynyl)trimethylsilane, also known as (3-bromophenyl ethynyl)trimethylsilane, has a CAS number of 3989-13-7, with a molecular formula of C11H13BrSi and a molecular weight of 253.21. It is a light yellow to brown clear liquid with a boiling point of 80°C (0.2 mm Hg) and a density of 1.189 g/mL (25°C). For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-(3-bromophenyl)ethynyl-trimethylsilane
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.189 g/mL at 25ºC(lit.)
Boiling Point 80ºC0.2 mm Hg(lit.)
Molecular Formula C11H13BrSi
Molecular Weight 253.21000
Flash Point >230 °F
Exact Mass 251.99700
LogP 3.67800
Index of Refraction n20/D 1.555(lit.)
InChIKey BXXMHQYHYOTTPM-UHFFFAOYSA-N
SMILES C[Si](C)(C)C#Cc1cccc(Br)c1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves
Hazard Codes Xi
RIDADR NONH for all modes of transport
WGK Germany 3

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~82%

(3-bromophenylethynyl)trimethylsilane Structure

(3-bromophenyle...

CAS#:3989-13-7

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Literature: Malamas, Michael S.; Barnes, Keith; Johnson, Matthew; Hui, Yu; Zhou, Ping; Turner, Jim; Hu, Yun; Wagner, Erik; Fan, Kristi; Chopra, Rajiv; Olland, Andrea; Bard, Jonathan; Pangalos, Menelas; Reinhart, Peter; Robichaud, Albert J. Bioorganic and Medicinal Chemistry, 2010 , vol. 18, # 2 p. 630 - 639

~%

(3-bromophenylethynyl)trimethylsilane Structure

(3-bromophenyle...

CAS#:3989-13-7

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Literature: Hughes Aircraft Company Patent: EP585590 A1, 1994 ;

~47%

(3-bromophenylethynyl)trimethylsilane Structure

(3-bromophenyle...

CAS#:3989-13-7

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Literature: Price Jr., David W.; Dirk, Shawn M.; Maya, Francisco; Tour, James M. Tetrahedron, 2003 , vol. 59, # 14 p. 2497 - 2518

~%

(3-bromophenylethynyl)trimethylsilane Structure

(3-bromophenyle...

CAS#:3989-13-7

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Literature: Evans,A.G. et al. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1974 , p. 1216 - 1219

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  6

DownStream  1

 Articles1

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Enantioselective synthesis of both enantiomers of various propargylic alcohols by use of two oxidoreductases. Schubert T, et al.

European J. Org. Chem. 2001(22) , 4181-4187, (2001)

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

[(3-bromophenyl)ethynyl](trimethyl)silane
meta-bromophenyltrimethylsilylacetylene
(2-(3-bromophenyl)ethynyl)trimethylsilane
MFCD01863664

 (3-bromophenylethynyl)trimethylsilane | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of 2-(3-bromophenyl)ethynyl-trimethylsilane?
A: InChIKey of 2-(3-bromophenyl)ethynyl-trimethylsilane is BXXMHQYHYOTTPM-UHFFFAOYSA-N.
Q: What English synonyms does 2-(3-bromophenyl)ethynyl-trimethylsilane have?
A: English synonyms of 2-(3-bromophenyl)ethynyl-trimethylsilane: [(3-bromophenyl)ethynyl](trimethyl)silane, meta-bromophenyltrimethylsilylacetylene, (2-(3-bromophenyl)ethynyl)trimethylsilane, MFCD01863664.
Q: What is the boiling point of 2-(3-bromophenyl)ethynyl-trimethylsilane?
A: Boiling point of 2-(3-bromophenyl)ethynyl-trimethylsilane is 80ºC0.2 mm Hg(lit.).
Q: What is the LogP of 2-(3-bromophenyl)ethynyl-trimethylsilane?
A: LogP of 2-(3-bromophenyl)ethynyl-trimethylsilane is 3.67800.
Q: What are the upstream materials of 2-(3-bromophenyl)ethynyl-trimethylsilane?
A: Related upstream materials(CAS) of 2-(3-bromophenyl)ethynyl-trimethylsilane: 591-18-4;1066-54-2;108-36-1;583-53-9;75-77-4;766-81-4.
Q: What is the molecular weight of 2-(3-bromophenyl)ethynyl-trimethylsilane?
A: Molecular weight of 2-(3-bromophenyl)ethynyl-trimethylsilane is 253.21000.
Q: What is the CAS number of 2-(3-bromophenyl)ethynyl-trimethylsilane?
A: CAS number of 2-(3-bromophenyl)ethynyl-trimethylsilane is 3989-13-7.
Q: What is the molecular formula of 2-(3-bromophenyl)ethynyl-trimethylsilane?
A: Molecular formula of 2-(3-bromophenyl)ethynyl-trimethylsilane is C11H13BrSi.
Q: What is the English name of 2-(3-bromophenyl)ethynyl-trimethylsilane?
A: The English name of 2-(3-bromophenyl)ethynyl-trimethylsilane is 2-(3-bromophenyl)ethynyl-trimethylsilane.
Q: What is the SMILES notation of 2-(3-bromophenyl)ethynyl-trimethylsilane?
A: SMILES notation of 2-(3-bromophenyl)ethynyl-trimethylsilane is C[Si](C)(C)C#Cc1cccc(Br)c1.

 (3-bromophenylethynyl)trimethylsilanefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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