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.

[https://web.archive.org/web/20070630043133/http://siri.org/msds/index.php SIRI]
[https://web.archive.org/web/20070624232442/http://www.sciencestuff.com/msds/C1445.html Science Stuff]

== Structure and properties ==

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! {{chembox header}} | 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{{Cite book|title=CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data.|url=https://archive.org/details/crchandbookchemi00lide_126|url-access=limited|date=2003|publisher=CRC Press|others=Lide, David R.|isbn=0849304849|edition=84th|location=Boca Raton, Fla.|pages=[https://archive.org/details/crchandbookchemi00lide_126/page/n794 4]–131|oclc=52548731}}

Density

|2.2 g cm⁻³{{Cite book|title=CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data.|url=https://archive.org/details/crchandbookchemi00lide_126|url-access=limited|date=2003|publisher=CRC Press|others=Lide, David R.|isbn=0849304849|edition=84th|location=Boca Raton, Fla.|pages=[https://archive.org/details/crchandbookchemi00lide_126/page/n794 4]–49|oclc=52548731}}

Solubility in H₂O

|0.160²⁰ g/100 g

pH (at 20 °C)

|12.4-12.6{{Cite web|url=https://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=C7887&brand=SIAL&PageToGoToURL=https://www.sigmaaldrich.com/catalog/product/sial/c7887?lang=en|title=MSDS - C7887|website=www.sigmaaldrich.com|access-date=2019-11-18}}

== Thermodynamic properties ==

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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)
{{chembox header}} \| Solid properties
Std enthalpy change of formation, Δ_fH^o_solid \| -985.2 kJ/mol{{Cite book\|title=CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data.\|url=https://archive.org/details/crchandbookchemi00lide_126\|url-access=limited\|date=2003\|publisher=CRC Press\|others=Lide, David R.\|isbn=0849304849\|edition=84th\|location=Boca Raton, Fla.\|pages=[https://archive.org/details/crchandbookchemi00lide_126/page/n47 5]–10\|oclc=52548731}}
Standard molar entropy, S^o_solid \| 83.4 J/(mol K)
Heat capacity, c_p \| 87.5 J/(mol K)
{{chembox header}} \| 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)
{{chembox header}} \| 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)

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! {{chembox header}} | 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)

{{chembox header}} | Solid properties

Std enthalpy change
of formation, Δ_fH^o_solid

| -985.2 kJ/mol{{Cite book|title=CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data.|url=https://archive.org/details/crchandbookchemi00lide_126|url-access=limited|date=2003|publisher=CRC Press|others=Lide, David R.|isbn=0849304849|edition=84th|location=Boca Raton, Fla.|pages=[https://archive.org/details/crchandbookchemi00lide_126/page/n47 5]–10|oclc=52548731}}

Standard molar entropy,
S^o_solid

| 83.4 J/(mol K)

Heat capacity, c_p

| 87.5 J/(mol K)

{{chembox header}} | 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)

{{chembox header}} | 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 ==

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λ_max \| ? nm
Extinction coefficient, ε \| ?
{{chembox header}} \| IR
Major absorption bands \| ? cm⁻¹
{{chembox header}} \| NMR
Proton NMR \|
Carbon-13 NMR \|
Other NMR data \|
{{chembox header}} \| MS
Masses of main fragments \|

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! {{chembox header}} | UV-Vis

λ_max

| ? nm

Extinction coefficient, ε

| ?

{{chembox header}} | IR

Major absorption bands

| ? cm⁻¹

{{chembox header}} | NMR

Proton NMR

Carbon-13 NMR

Other NMR data

{{chembox header}} | MS

Masses of
main fragments

References

Category:Chemical data pages

Category:Chemical data pages cleanup