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3-(methylsulfonyl)-1,2,4-triazine

Also known as: 3-methylsulfonyl-1,2,4-triazine, 1,2,4-Triazine, 3-(methylsulfonyl)-, 3-methylsulphonyl-1,2,4-triazine

3-(methylsulfonyl)-1,2,4-triazine (CAS 105783-77-5) is a compound in the Sulfur Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O2S and a molecular weight of 159.16600 g/mol. Key properties include a boiling point of 360.424ºC at 760 mmHg, a density of 1.435g/cm3 and a flash point of 171.779ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
105783-77-5
Jingsj CID
J-1032476-3
Molecular Formula
C4H5N3O2S
Molecular Weight
159.16600 g/mol
Category
Sulfur Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point360.424ºC at 760 mmHg
Density1.435g/cm3
Flash Point171.779ºC
Exact Mass159.01000
PSA81.19000
LogP0.35590
Vapor Pressure0mmHg at 25°C
Refractive Index1.518

Frequently Asked Questions

What is the CAS number of 3-(methylsulfonyl)-1,2,4-triazine?

The CAS number of 3-(methylsulfonyl)-1,2,4-triazine is 105783-77-5.

What are the molecular formula and molecular weight of 3-(methylsulfonyl)-1,2,4-triazine?

3-(methylsulfonyl)-1,2,4-triazine has molecular formula C4H5N3O2S and molecular weight 159.16600 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. "3-(methylsulfonyl)-1,2,4-triazine (CAS 105783-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1032476-3 (accessed 2026-11-06).

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