Thiourea dioxide

二氧化硫脲

Also known as: Formamidinesulfinic acid, Aminoiminomethanesulfinic acid, Aminoiminomethanesulphinic acid, Formamidine sulfinate, Thiourea S,S-dioxide, Amidinosulfinic acid, Aminoiminomethanesulfinic acid for synthesis

CAS No.
1758-73-2
Jingsj CID
J-32547-1
Molecular Formula
CH4N2O2S
Chinese Name
二氧化硫脲
Molecular Weight
108.120 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point124-127 °C (dec.)(lit.)
Boiling Point355.3±25.0 °C at 760 mmHg
Density2.3±0.1 g/cm3
Flash Point168.7±23.2 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Thiourea dioxide?

1758-73-2

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

CH4N2O2S, molecular weight 108.120 g/mol

Is Thiourea dioxide hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026