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(3 5-Difluorophenylethynyl)trimethylsil&

CAS No.
445491-09-8
Chemical Name:
(3 5-Difluorophenylethynyl)trimethylsil&
Synonyms
(3 5-Difluorophenylethynyl)trimethylsil&;(3,5-Difluorophenyl)(trimethylsilyl)acetylene;(2-(3,5-difluorophenyl)ethynyl)trimethylsilane;1,3-Difluoro-5-[2-(trimethylsilyl)ethynyl]benzene;Benzene, 1,3-difluoro-5-[2-(trimethylsilyl)ethynyl]-
CBNumber:
CB6505158
Molecular Formula:
C11H12F2Si
Molecular Weight:
210.3
MDL Number:
MFCD04039981
MOL File:
445491-09-8.mol
MSDS File:
SDS
Last updated:2026-09-12 18:54:17

(3 5-Difluorophenylethynyl)trimethylsil& Properties

Boiling point 200-201 °C (lit.)
Density 0.995 g/mL at 25 °C (lit.)
refractive index n20/D 1.4920(lit.)
Flash point 167 °F
InChI 1S/C11H12F2Si/c1-14(2,3)5-4-9-6-10(12)8-11(13)7-9/h6-8H,1-3H3
InChIKey SJTKBXIQLYSMRR-UHFFFAOYSA-N
SMILES C[Si](C)(C)C#Cc1cc(F)cc(F)c1
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

PPE Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
WGK Germany  3
Storage Class 10 - Combustible liquids

(3 5-Difluorophenylethynyl)trimethylsil& price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 589330 (3,5-Difluorophenylethynyl)trimethylsilane 98% 445491-09-8 5g $103 2023-06-20 Buy
Rieke Metals AT0168007 (3,5-Difluoro-phenylethynyl)-trimethyl-silane 97%GC-FID 445491-09-8 1g $463 2026-05-06 Buy
Rieke Metals AT0168007 (3,5-Difluoro-phenylethynyl)-trimethyl-silane 97%GC-FID 445491-09-8 5g $627 2026-05-06 Buy
aablocks AA003BNS (3,5-Difluorophenylethynyl)Trimethylsilane 98%(GC-MS);RG 445491-09-8 250mg $40 2026-05-28 Buy
aablocks AA003BNS (3,5-Difluorophenylethynyl)Trimethylsilane 98%(GC-MS);RG 445491-09-8 1g $73 2026-05-28 Buy
Product number Packaging Price Buy
589330 5g $103 Buy
AT0168007 1g $463 Buy
AT0168007 5g $627 Buy
AA003BNS 250mg $40 Buy
AA003BNS 1g $73 Buy

(3 5-Difluorophenylethynyl)trimethylsil& Chemical Properties, Uses, Production

461-96-1
445491-09-8
Synthesis of (3 5-Difluorophenylethynyl)trimethylsil& from 1-Bromo-3,5-difluorobenzene

(3 5-Difluorophenylethynyl)trimethylsil& Preparation Products And Raw materials

Raw materials

Preparation Products

(3 5-Difluorophenylethynyl)trimethylsil& Suppliers

Global Suppliers ( 19)
Supplier Tel Email Country ProdList Advantage
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
Shanghai Raise Chemical Technology Co.,Ltd +86-021-50935922 China 7854 55
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Shanghai Yao Sen Biotechnology Co., LTD 18916117619 18916117619 2648165562@qq.com China 492 58
Jiaxing Zhejia Biotechnology Co., LTD 0573-85609002 zhejia01@163.com China 8871 58
Zhuhai Aobokai Biomedical Technology Co., Ltd. 400-0628126 sales-team@aobchem.com.cn China 49985 58
Shanxi Nuocheng Biotechnology Co., Ltd 17835231871 572710841@qq.com China 7935 58
Aikon International Limited 025-58859352 18651614124 2881516338@qq.com China 9968 58

(3 5-Difluorophenylethynyl)trimethylsil& Spectrum

(3,5-Difluorophenyl)(trimethylsilyl)acetylene (2-(3,5-difluorophenyl)ethynyl)trimethylsilane 1,3-Difluoro-5-[2-(trimethylsilyl)ethynyl]benzene Benzene, 1,3-difluoro-5-[2-(trimethylsilyl)ethynyl]- (3 5-Difluorophenylethynyl)trimethylsil& 445491-09-8 C11H12F2Si CH33SiC8801CC6H3F2 Alkynyl Halogenated Hydrocarbons Organic Building Blocks