1,3-Bis((trimethylsilyl)ethynyl)benzene

Modify Date: 2025-08-20 15:56:05

1,3-Bis((trimethylsilyl)ethynyl)benzene Structure
1,3-Bis((trimethylsilyl)ethynyl)benzene structure
 Common Name 1,3-Bis((trimethylsilyl)ethynyl)benzene
CAS Number 38170-80-8 Molecular Weight 270.517
Density 0.9±0.1 g/cm3 Boiling Point 304.9±38.0 °C at 760 mmHg
Molecular Formula C16H22Si2 Melting Point 57 °C
MSDS N/A Flash Point 120.9±19.8 °C

 Names

Name 1,3-Bis[(trimethylsilyl)ethynyl]benzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 304.9±38.0 °C at 760 mmHg
Melting Point 57 °C
Molecular Formula C16H22Si2
Molecular Weight 270.517
Flash Point 120.9±19.8 °C
Exact Mass 270.126007
LogP 6.69
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.506
Storage condition Refrigerator

 Safety Information

Risk Phrases 36/37/38
Safety Phrases S26-S36
HS Code 2931900090

 Synthetic Route

1,3-Diiodobenzene structure

1,3-Diiodobenzene

CAS#:626-00-6

TMS-acetylene structure

TMS-acetylene

CAS#:1066-54-2

~99%

1,3-Bis((trimethylsilyl)ethynyl)benzene Structure

1,3-Bis((trimet...

CAS#:38170-80-8

Literature: Lee, Semin; Hua, Yuran; Park, Hyunsoo; Flood, Amar H. Organic Letters, 2010 , vol. 12, # 9 p. 2100 - 2102
TMS-acetylene structure

TMS-acetylene

CAS#:1066-54-2

~87%

1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE structure

1,4-BIS(TRIMETH...

CAS#:4526-07-2

1,3-Bis((trimethylsilyl)ethynyl)benzene Structure

1,3-Bis((trimet...

CAS#:38170-80-8

Literature: Neenan, Thomas X.; Whitesides, George M. Journal of Organic Chemistry, 1988 , vol. 53, # 11 p. 2489 - 2496
1,3-Dibromobenzene structure

1,3-Dibromobenzene

CAS#:108-36-1

TMS-acetylene structure

TMS-acetylene

CAS#:1066-54-2

~89%

1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE structure

1,4-BIS(TRIMETH...

CAS#:4526-07-2

1,3-Bis((trimethylsilyl)ethynyl)benzene Structure

1,3-Bis((trimet...

CAS#:38170-80-8

Literature: Neenan, Thomas X.; Whitesides, George M. Journal of Organic Chemistry, 1988 , vol. 53, # 11 p. 2489 - 2496
1,3-Dibromobenzene structure

1,3-Dibromobenzene

CAS#:108-36-1

TMS-acetylene structure

TMS-acetylene

CAS#:1066-54-2

~%

1,3-Bis((trimethylsilyl)ethynyl)benzene Structure

1,3-Bis((trimet...

CAS#:38170-80-8

Literature: Fu, Tsung-Hao; Li, Yan; Thaker, Hitesh D.; Scott, Richard W.; Tew, Gregory N. ACS Medicinal Chemistry Letters, 2013 , vol. 4, # 9 p. 841 - 845
1,3-Diiodobenzene structure

1,3-Diiodobenzene

CAS#:626-00-6

TMS-acetylene structure

TMS-acetylene

CAS#:1066-54-2

~%

1,3-Bis((trimethylsilyl)ethynyl)benzene Structure

1,3-Bis((trimet...

CAS#:38170-80-8

1-iodo,3-trimethylsilylethynylbenzene structure

1-iodo,3-trimet...

CAS#:144001-07-0

Literature: Yang, Xin; Matsuo, Daisuke; Suzuma, Yoshinori; Fang, Jing-Kun; Xu, Feng; Orita, Akihiro; Otera, Junzo; Kajiyama, Shingo; Koumura, Nagatoshi; Hara, Kohjiro Synlett, 2011 , # 16 art. no. U04611ST, p. 2402 - 2406

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Synonyms

(1,3-Phenylenediethyne-2,1-diyl)bis(trimethylsilane)
trimethyl-[2-[3-(2-trimethylsilylethynyl)phenyl]ethynyl]silane
MFCD00078305
Benzene, 1,3-bis[2-(trimethylsilyl)ethynyl]-
(1,3-Phenylenedi-2,1-ethynediyl)bis(trimethylsilane)
1,3-Bis((trimethylsilyl)ethynyl)benzene
1,3-Bis[(triMethylsilyl)ethynyl]benzene
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