Thiourea dioxide

二氧化硫脲

Also known as: Thiourea S,S-dioxide, Formamidinesulfinic acid, Urea, thio-, 2,2-dioxide, Methanediamine, 1-sulfonyl-

Thiourea dioxide (CAS 4189-44-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula CH4N2O2S and a molecular weight of 108.12000 g/mol. It is also known as Thiourea S,S-dioxide, Formamidinesulfinic acid and Urea, thio-, 2,2-dioxide. Key properties include a melting point of 126 °C and a density of 2.25 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4189-44-0
Jingsj CID
J-1512888-3
Molecular Formula
CH4N2O2S
Chinese Name
二氧化硫脲
Molecular Weight
108.12000 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point126 °C
Density2.25 g/cm3

Frequently Asked Questions

What is the CAS number of Thiourea dioxide?

The CAS number of Thiourea dioxide is 4189-44-0.

What are the molecular formula and molecular weight of Thiourea dioxide?

Thiourea dioxide has molecular formula CH4N2O2S and molecular weight 108.12000 g/mol.

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

Last updated:

How to cite: Jingsj. "Thiourea dioxide (CAS 4189-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512888-3 (accessed 2026-10-25).

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