4-((Trimethylsilyl)ethynyl)benzoic acid

4-[(三甲基硅基)乙炔基]苯甲酸

Also known as: 4-(2-trimethylsilylethynyl)benzoic acid, 4-(trimethylsilyl)ethynylbenzoic acid, 4-[2-(Trimethylsilyl)ethynyl]benzoic acid, Benzoic acid, 4-[2-(trimethylsilyl)ethynyl]-, 4-[(Trimethylsilyl)ethynyl]benzoic acid

4-((Trimethylsilyl)ethynyl)benzoic acid (CAS 16116-80-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14O2Si and a molecular weight of 218.32400 g/mol. It is also known as 4-(2-trimethylsilylethynyl)benzoic acid, 4-(trimethylsilyl)ethynylbenzoic acid and 4-[2-(Trimethylsilyl)ethynyl]benzoic acid. Key properties include a boiling point of 299.3ºC at 760mmHg, a density of 1.08g/cm3 and a flash point of 134.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16116-80-6
Jingsj CID
J-1511518-2
Molecular Formula
C12H14O2Si
Chinese Name
4-[(三甲基硅基)乙炔基]苯甲酸
Molecular Weight
218.32400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point299.3ºC at 760mmHg
Density1.08g/cm3
Flash Point134.8ºC

Frequently Asked Questions

What is the CAS number of 4-((Trimethylsilyl)ethynyl)benzoic acid?

The CAS number of 4-((Trimethylsilyl)ethynyl)benzoic acid is 16116-80-6.

What are the molecular formula and molecular weight of 4-((Trimethylsilyl)ethynyl)benzoic acid?

4-((Trimethylsilyl)ethynyl)benzoic acid has molecular formula C12H14O2Si and molecular weight 218.32400 g/mol.

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

Last updated:

How to cite: Jingsj. "4-((Trimethylsilyl)ethynyl)benzoic acid (CAS 16116-80-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511518-2 (accessed 2026-10-24).

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