Calcium hydroxide (data page)

This page provides supplementary chemical data on calcium hydroxide.

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source and follow its directions.

Structure and properties

Structure and properties
Index of refraction, n_D	?
Abbe number	?
Dielectric constant, ε_r	? ε₀ at ? °C
Bond strength	?
Bond length	?
Bond angle	?
Magnetic susceptibility	-22 x10⁻⁶ cm³ mol⁻¹^[1]
Density	2.2 g cm⁻³^[2]
Solubility in H₂O	0.160²⁰ g/100 g^[2]
pH (at 20 °C)	12.4-12.6^[3]

Thermodynamic properties

Phase behavior
Triple point	? K (? °C), ? Pa
Critical point	? K (? °C), ? Pa
Std enthalpy change of fusion, Δ_fusH^o	? kJ/mol
Std entropy change of fusion, Δ_fusS^o	? J/(mol·K)
Std enthalpy change of vaporization, Δ_vapH^o	? kJ/mol
Std entropy change of vaporization, Δ_vapS^o	? J/(mol·K)
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	-985.2 kJ/mol^[4]
Standard molar entropy, S^o_solid	83.4 J/(mol K)^[4]
Heat capacity, c_p	87.5 J/(mol K)^[4]
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	? kJ/mol
Standard molar entropy, S^o_liquid	? J/(mol K)
Heat capacity, c_p	? J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	? kJ/mol
Standard molar entropy, S^o_gas	? J/(mol K)
Heat capacity, c_p	? J/(mol K)

Spectral data

UV-Vis
λ_max	? nm
Extinction coefficient, ε	?
IR
Major absorption bands	? cm⁻¹
NMR
Proton NMR
Carbon-13 NMR
Other NMR data
MS
Masses of main fragments

References

^ CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data. Lide, David R. (84th ed.). Boca Raton, Fla.: CRC Press. 2003. pp. 4–131. ISBN 0849304849. OCLC 52548731.{{cite book}}: CS1 maint: others (link)
^ ^a ^b CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data. Lide, David R. (84th ed.). Boca Raton, Fla.: CRC Press. 2003. pp. 4–49. ISBN 0849304849. OCLC 52548731.{{cite book}}: CS1 maint: others (link)
^ "MSDS - C7887". www.sigmaaldrich.com. Retrieved 2019-11-18.
^ ^a ^b ^c CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data. Lide, David R. (84th ed.). Boca Raton, Fla.: CRC Press. 2003. pp. 5–10. ISBN 0849304849. OCLC 52548731.{{cite book}}: CS1 maint: others (link)

This box:

Except where noted otherwise, data relate to Standard temperature and pressure.
Reliability of data general note.

[1] CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data. Lide, David R. (84th ed.). Boca Raton, Fla.: CRC Press. 2003. pp. 4–131. ISBN 0849304849. OCLC 52548731.{{cite book}}: CS1 maint: others (link)

[CRC_handbook-2] CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data. Lide, David R. (84th ed.). Boca Raton, Fla.: CRC Press. 2003. pp. 4–49. ISBN 0849304849. OCLC 52548731.{{cite book}}: CS1 maint: others (link)

[3] "MSDS - C7887". www.sigmaaldrich.com. Retrieved 2019-11-18.

[CRC_handbook2-4] CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data. Lide, David R. (84th ed.). Boca Raton, Fla.: CRC Press. 2003. pp. 5–10. ISBN 0849304849. OCLC 52548731.{{cite book}}: CS1 maint: others (link)

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