5-bromo-3-((trimethylsilyl)ethynyl)pyrazin-2-amine

5-溴-3-((三甲基硅基)乙炔)吡嗪-2-胺

Also known as: 5-bromo-3-((trimethylsilyl)ethynyl)pyrazin-2-amine, 5-bromo-3-((trimethylsilyl)ethynyl)pyrazine-2-amine, 5-bromo-3-(2-(trimethylsilyl)ethynyl)pyrazin-2-amine, 5-bromo-3-[2-(trimethylsilyl)ethynyl]pyrazin-2-amine, 5-bromo-3-trimethylsilanylethynylpyrazin-2-ylamine, 5-bromo-3-trimethylsilanylethynyl-pyrazin-2-ylamine, 5-bromo-3-(2-trimethylsilylethynyl)pyrazin-2-amine, Pyrazinamine, 5-bromo-3-[(trimethylsilyl)ethynyl]-, 5-bromo-3-[2-(trimethylsilyl)ethynyl]-2-pyrazinamine, QC-6951, EOS-61575

5-bromo-3-((trimethylsilyl)ethynyl)pyrazin-2-amine (CAS 875781-41-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C9H12BrN3Si and a molecular weight of 270.201 g/mol. It is also known as 5-bromo-3-((trimethylsilyl)ethynyl)pyrazine-2-amine, 5-bromo-3-(2-(trimethylsilyl)ethynyl)pyrazin-2-amine and 5-bromo-3-[2-(trimethylsilyl)ethynyl]pyrazin-2-amine. Key properties include a boiling point of 313.8±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 143.6±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
875781-41-2
Jingsj CID
J-1355357-9
Molecular Formula
C9H12BrN3Si
Chinese Name
5-溴-3-((三甲基硅基)乙炔)吡嗪-2-胺
Molecular Weight
270.201 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point313.8±42.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point143.6±27.9 °C

Frequently Asked Questions

What is the CAS number of 5-bromo-3-((trimethylsilyl)ethynyl)pyrazin-2-amine?

The CAS number of 5-bromo-3-((trimethylsilyl)ethynyl)pyrazin-2-amine is 875781-41-2.

What are the molecular formula and molecular weight of 5-bromo-3-((trimethylsilyl)ethynyl)pyrazin-2-amine?

5-bromo-3-((trimethylsilyl)ethynyl)pyrazin-2-amine has molecular formula C9H12BrN3Si and molecular weight 270.201 g/mol.

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

Last updated:

How to cite: Jingsj. "5-bromo-3-((trimethylsilyl)ethynyl)pyrazin-2-amine (CAS 875781-41-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355357-9 (accessed 2026-10-22).

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