Calcium hydroxide

September 4th, 2008 by

Calcium hydroxide

IUPAC name
Calcium hydroxide
Other names
Cal, calcium(II) hydroxide, hydrated lime, milk of lime, pickling lime, slaked lime
Identifiers
CAS number
Properties
Molecular formula
Ca(OH)2
Molar mass
74.093 g/mol
Appearance
Soft white powder/Colourless liquid
Density
2.211 g/cm3, solid
Melting point
512 °C (Decomposes)
Boiling point
N/A
Solubility in water
0.185 g/100 cm3
Ksp = 7.9 × 10−6
Basicity (pKb)
−2.37
pH=12.0–12.5
Hazards
MSDS
External MSDS
EU classification
Corrosive (C)
R-phrases
R34, R36, R37, R38, R41.
S-phrases
S22, S26, S39, S45.
Flash point
Non-flammable.
Related compounds
Other anions
None listed.
Other cations
None listed.
Related bases
Calcium [...]

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