Thallium(I) hydroxide
Appearance
Names | |
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IUPAC name
thallium(I) hydroxide
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Other names
thallous hydroxide
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.031.540 |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
TlOH | |
Molar mass | 221.390 g/mol |
Appearance | yellow needles |
Density | 7.44 g/cm3 |
Melting point | decomposes at 139°C |
34.3 g/100g at 18°C | |
Thermochemistry | |
Std molar
entropy (S⦵298) |
88.0 J·mol-1·K-1 |
Std enthalpy of
formation (ΔfH⦵298) |
-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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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
This article needs additional citations for verification. (July 2009) |
- ^ 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.