Thallium(I) hydroxide

Thallium(I) hydroxide^[1]

Names
IUPAC name thallium(I) hydroxide
Other names thallous hydroxide
Identifiers
CAS Number	12026-06-1
ChemSpider	141413
Jmol interactive 3D	Image
PubChem	160963
InChI InChI=1S/H2O.Tl/h1H2;/q;+1/p-1 Key: QGYXCSSUHCHXHB-UHFFFAOYSA-M InChI=1/H2O.Tl/h1H2;/q;+1/p-1 Key: QGYXCSSUHCHXHB-REWHXWOFAR
SMILES [Tl+].[OH-]
Properties
Chemical formula	TlOH
Molar mass	221.390 g/mol
Appearance	yellow needles
Density	7.44 g/cm^3
Melting point	decomposes at 139°C
Solubility in water	34.3 g/100g at 18°C
Thermochemistry
Std molar entropy (S^o298)	88.0 J·mol^−1·K^−1
Std enthalpy of formation (ΔfH^o298)	-238.9 kJ·mol^−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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

1. Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 4–89, 5–16. ISBN 0-8493-0594-2.