:Chloromethane (data page)

This page provides supplementary chemical data on chloromethane.

== Safety data sheet ==

The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the safety data sheet for this chemical from a reliable source such as [https://web.archive.org/web/20020207111330/http://siri.org/msds/index.php SIRI], and follow its directions. SDS for chloromethane is available at [https://archive.today/20140421195820/http://sdsdata.org/110047 Supelco Inc]

== Structure and properties ==

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! {{chembox header}} | Structure and properties

Index of refraction,{{Cite web|url=http://www.inchem.org/documents/pims/chemical/metchlor.htm|title=Methyl Chloride|publisher=Inchem|accessdate=30 May 2007}} n_D

| 1.3389

Abbe number

| ?

Dielectric constant,{{Cite web|url=http://www.asiinstr.com/technical/Dielectric%20Constants.htm|title=Dielectric Constants Chart|publisher=ASI Instruments|accessdate=30 May 2007|url-status=dead|archiveurl=https://web.archive.org/web/20070529185028/http://www.asiinstr.com/technical/Dielectric%20Constants.htm|archivedate=29 May 2007}} ε_r

| 12.9 ε₀ at 25 °C

| ?

| ?

| ?

| 1.9 D

Magnetic susceptibility

| ?

Acentric factor

| 0.153

Critical compressibility

| 0.268247

Compressibility factor

| 0.985

Density [http://encyclopedia.airliquide.com/encyclopedia.asp?LanguageID=11&CountryID=19&Formula=&GasID=18&UNNumber= Air Liquide Gas Encyclopedia]

| 1002.9 kg/m³ at -24.2 °C (liquid)
2.55 kg/m³ at -24.2 °C (gas)
2.22 kg/m³ at 0 °C (gas)
2.134 kg/m³ at 15 °C (gas)

Surface tensionLange's Handbook of Chemistry, 10th ed. pp. 1661–1663

| 19.5 dyn/cm at 0 °C
17.8 dyn/cm at 10 °C
16.2 dyn/cm at 20 °C

Viscosity{{Cite web|url=http://www.cheric.org/research/kdb/hcprop/cmpsrch.php|title=Pure Component Properties|publisher=Chemical Engineering Research Information Center|format=Queriable database|accessdate=30 May 2007}}

| 0.2280 mPa·s at 0 °C
0.1784 mPa·s at 20 °C
0.1440 mPa·s at 40 °C

Thermal conductivity

| 10.5 mW/(m·K) at 0 °C

== Thermodynamic properties ==

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Triple point \| 175.43 K (–97.72 °C), 870 Pa
Critical point \| 416 K (143 °C), 6714.4 kPa
Std enthalpy change of fusion, Δ_fusH^o \| 6.43 kJ/mol
Std entropy change of fusion, Δ_fusS^o \| 36.66 J/(mol·K)
Std enthalpy change of vaporization, Δ_vapH^o \| 21.535 kJ/mol at –24.21 °C 20.09 kJ/mol at 20 °C
Std entropy change of vaporization, Δ_vapS^o \| 86.51 J/(mol·K) at –24.21 °C
{{chembox header}} \| Solid properties
Std enthalpy change of formation, Δ_fH^o_solid \| ? kJ/mol
Standard molar entropy, S^o_solid \| ? J/(mol K)
Heat capacity, c_p \| ? J/(mol K)
{{chembox header}} \| Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid \| –86.37 kJ/mol at 25 °C
Standard molar entropy, S^o_liquid \| 140.08 J/(mol K)
Heat capacity, c_p \| 81.2 J/(mol K) at 15 °C
{{chembox header}} \| Gas properties
Std enthalpy change of formation, Δ_fH^o_gas \| –83.68 kJ/mol
Standard molar entropy, S^o_gas \| 234.36 J/(mol K) at 100 kPa
Enthalpy of combustion, Δ_cH^o_gas \| –764.0 kJ/mol
Heat capacity, c_p \| 40.70 J/(mol K) at 25 °C
van der Waals' constantsLange's Handbook of Chemistry 10th ed, pp. 1522–1524 \| a = 757.0 L² kPa/mol² b = 0.06483 liter per mole

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! {{chembox header}} | Phase behavior

Triple point

| 175.43 K (–97.72 °C), 870 Pa

Critical point

| 416 K (143 °C), 6714.4 kPa

Std enthalpy change
of fusion, Δ_fusH^o

| 6.43 kJ/mol

Std entropy change
of fusion, Δ_fusS^o

| 36.66 J/(mol·K)

Std enthalpy change
of vaporization, Δ_vapH^o

| 21.535 kJ/mol at –24.21 °C
20.09 kJ/mol at 20 °C

Std entropy change
of vaporization, Δ_vapS^o

| 86.51 J/(mol·K) at –24.21 °C

{{chembox header}} | Solid properties

Std enthalpy change
of formation, Δ_fH^o_solid

| ? kJ/mol

Standard molar entropy,
S^o_solid

| ? J/(mol K)

Heat capacity, c_p

| ? J/(mol K)

{{chembox header}} | Liquid properties

Std enthalpy change
of formation, Δ_fH^o_liquid

| –86.37 kJ/mol at 25 °C

Standard molar entropy,
S^o_liquid

| 140.08 J/(mol K)

Heat capacity, c_p

| 81.2 J/(mol K) at 15 °C

{{chembox header}} | Gas properties

Std enthalpy change
of formation, Δ_fH^o_gas

| –83.68 kJ/mol

Standard molar entropy,
S^o_gas

| 234.36 J/(mol K) at 100 kPa

Enthalpy of combustion, Δ_cH^o_gas

| –764.0 kJ/mol

Heat capacity, c_p

| 40.70 J/(mol K) at 25 °C

van der Waals' constantsLange's Handbook of Chemistry 10th ed, pp. 1522–1524

| a = 757.0 L² kPa/mol²
b = 0.06483 liter per mole

Vapor pressure of liquid

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{{chembox header}} \| P in mm Hg	1	10	40	100	400	760	1520	3800	7600	15200	30400	45600
{{chembox header}} \| T in °C	—	–92.4	–76.0	–63.0	–38.0	–24.0	–6.4	22.0	47.3	77.3	113.8	137.5

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

Image:LogMethylChlorideVaporPresure.png{{Clear}}

== 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

{{Cite journal|url=http://webbook.nist.gov/chemistry/|title=NIST Standard Reference Database|year=1997 |doi=10.18434/T4D303 |last1=Linstrom |first1=Peter |publisher=National Institute of Standards and Technology }}

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