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2-Iodopyrazine

Also known as: Iodopyrazine, 2-Iodopyrazine, 2-Iodo-1,4-diazine

2-Iodopyrazine (CAS 3211-21-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H3IN2 and a molecular weight of 205.98400 g/mol. Key properties include a boiling point of 109-110ºC34 mm Hg(lit.), a density of 2.086 g/mL at 25ºC(lit.) and a flash point of >110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
3211-21-0
Jingsj CID
J-7373-0
Molecular Formula
C4H3IN2
Molecular Weight
205.98400 g/mol
Category
Organohalogen Compounds
Last updated
11/3/2026

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Physicochemical Properties

Boiling Point109-110ºC34 mm Hg(lit.)
Density2.086 g/mL at 25ºC(lit.)
Flash Point>110.0 °C
Exact Mass205.93400
PSA25.78000
LogP1.08120
Refractive Indexn20/D 1.655(lit.)

Frequently Asked Questions

What is the CAS number of 2-Iodopyrazine?

The CAS number of 2-Iodopyrazine is 3211-21-0.

What are the molecular formula and molecular weight of 2-Iodopyrazine?

2-Iodopyrazine has molecular formula C4H3IN2 and molecular weight 205.98400 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Iodopyrazine (CAS 3211-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7373-0 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.