Thallium(I) hydroxide

Thallium(I) hydroxide^[1]

Names
IUPAC name thallium(I) hydroxide
Other names thallous hydroxide
Identifiers
CAS Registry Number	12026-06-1 N
ChemSpider	141413 Y
InChI InChI=1S/H2O.Tl/h1H2;/q;+1/p-1 Y Key: QGYXCSSUHCHXHB-UHFFFAOYSA-M Y InChI=1/H2O.Tl/h1H2;/q;+1/p-1 Key: QGYXCSSUHCHXHB-REWHXWOFAR
Jmol-3D images	Image
PubChem	160963
SMILES [Tl+].[OH-]
Properties
Chemical formula	TlOH
Molar mass	221.390 g/mol
Appearance	yellow needles
Density	7.44 g/cm3
Melting point	decomposes at 139°C
Solubility in water	34.3 g/100g at 18°C
Thermochemistry
Std molar entropy (So298)	88.0 J·mol−1·K−1
Std enthalpy of formation (ΔfHo298)	-238.9 kJ·mol−1
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
N verify (what is: Y/N?)
Infobox references

Thallium(I) hydroxide, also called thallous hydroxide, TlOH, is a hydroxide of thallium, with thallium in oxidation state +1. Thallous hydroxide is a strong base; it is changed to thallous ion, Tl⁺, except in strongly basic conditions. Tl⁺ resembles an alkali metal ion, A⁺, such as Li⁺ or K⁺.

References