Thiourea

Synonym(s)

: Thiocarbamide, isothiourea, 2-Tourea, pseudothiourea, suuree, thiuronium

Mol. Formula

: CH4N2S

EC / List no.

: 200-543-5

CAS no.

: 62-56-6

Molecular weight

: 76,12

Thiourea is the simplest member of the thiourea class, which consists of urea in which the oxygen atom has been replaced by sulfur. It has a chromophore and antioxidant function. It is a member of ureas, a member of thioureas and a one-carbon compound. It is derived from a carbonothioic O, O-acid and a urea.

Application

» This substance is used in the following products: laboratory chemicals and water softeners.
» This substance is used in the following areas: scientific research and development.
» Other releases of this substance into the environment are likely to occur: indoor use as a reagent and outdoor use as a reagent.

Product Specifications

Physical and Chemical Properties
» Thiourea appears as white or off-white crystals or powder. It sinks and mixes with water.
» It is odorless and has a bitter taste.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	178
Density	g/ cm³	1.405	20 °C
Solubility	g/L	132	20 °C, soluble with water
Vapor pressure	Pa	0	20 °C
LogP		-0.92	20 °C
Surface tension	mN/m	65.4	1000 mg/L
Autoignition temperature	°C	240