Thallium(I) hydroxide

Thallium(I) hydroxide^[1]
Names
	IUPAC name thallium(I) hydroxide
	Other names thallous hydroxide
Identifiers
CAS Number	12026-06-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	141413 ;
ECHA InfoCard	100.031.540
PubChem CID	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/cm3
Melting point	decomposes at 139°C
Solubility in water	34.3 g/100g at 18°C
Hazards
Main hazards	Very toxic (T+) Corrosive (C) Dangerous for the environment (N)
EU classification (DSD) (outdated)	T+ C N
NFPA 704	0 4 1 COR
Thermochemistry
Std molar; entropy (So298)	88.0 J·mol−1·K−1
Std enthalpy of; formation (ΔfHo298)	-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

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

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