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(4-Iodophenylethynyl)trimethylsilane

(4-碘苯基乙炔)三甲基硅烷

Also known as: ((4-Iodophenyl)ethynyl)trimethylsilane, (2-(4-iodophenyl)ethynyl)trimethylsilane, 1-iodo-4-[(trimethylsilyl)ethynyl]benzene, 1-iodo-4-[2-(trimethylsilyl)ethynyl]-benzene, 4-(TMS-ethynyl)iodobenzene, 2-(4-iodophenyl)ethynyl-trimethylsilane, Benzene, 1-iodo-4-[2-(trimethylsilyl)ethynyl]-, MFCD04974026, TIMTEC-BB SBB009043, TRIMETHYLSILYL ETHYNYL-4-IODOBENZENE, [(4-Iodophenyl)ethynyl](trimethyl)silane, 4-IC6H4CCSiMe3, DK522

(4-Iodophenylethynyl)trimethylsilane (CAS 134856-58-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H13ISi and a molecular weight of 300.211 g/mol. It is also known as ((4-Iodophenyl)ethynyl)trimethylsilane, (2-(4-iodophenyl)ethynyl)trimethylsilane and 1-iodo-4-[(trimethylsilyl)ethynyl]benzene. Key properties include a melting point of 66-70ºC(lit.), a boiling point of 265.4±32.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 114.3±25.1 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
134856-58-9
Jingsj CID
J-14639-3
Molecular Formula
C11H13ISi
Chinese Name
(4-碘苯基乙炔)三甲基硅烷
Molecular Weight
300.211 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point66-70ºC(lit.)
Boiling Point265.4±32.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point114.3±25.1 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (4-Iodophenylethynyl)trimethylsilane?

The CAS number of (4-Iodophenylethynyl)trimethylsilane is 134856-58-9.

What are the molecular formula and molecular weight of (4-Iodophenylethynyl)trimethylsilane?

(4-Iodophenylethynyl)trimethylsilane has molecular formula C11H13ISi and molecular weight 300.211 g/mol.

Is (4-Iodophenylethynyl)trimethylsilane hazardous?

(4-Iodophenylethynyl)trimethylsilane has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(4-Iodophenylethynyl)trimethylsilane (CAS 134856-58-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14639-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.