Chemical Properties of Methane, dibromo- (CAS 74-95-3)

InChI

InChI=1S/CH2Br2/c2-1-3/h1H2

InChI Key

FJBFPHVGVWTDIP-UHFFFAOYSA-N

Formula

CH2Br2

SMILES

BrCBr

Molecular Weight¹

173.84

CAS

74-95-3

Other Names

• CH2Br2
• METHYL DIBROMIDE
• Methylene dibromide
• REFRIGERANT-30B2
• Rcra waste number U068
• UN 2664
• dibromomethane
• methylene bromide

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• η : Dynamic viscosity (Pa×s).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• n₀ : Refractive Index.
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• c_sound,fluid : Speed of sound in fluid (m/s).
• γ : Surface Tension (N/m).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.4135		Relay (1.0) Calculated Property
μ	1.90	debye	KDB
ΔfG°	-10.59	kJ/mol	KDB
ΔfH°gas	-38.90	kJ/mol	KDB
ΔfusH°	8.92	kJ/mol	Joback Calculated Property
ΔvapH°	[36.97; 37.03]	kJ/mol
ΔvapH°	37.03	kJ/mol	NIST
ΔvapH°	36.97 ± 0.10	kJ/mol	NIST
ΔvapH°	37.00 ± 0.10	kJ/mol	NIST
IE	[9.78; 10.61]	eV
IE	10.41 ± 0.13	eV	NIST
IE	10.24 ± 0.02	eV	NIST
IE	10.50 ± 0.10	eV	NIST
IE	10.52 ± 0.05	eV	NIST
IE	10.49 ± 0.02	eV	NIST
IE	10.60	eV	NIST
IE	Outlier 9.78	eV	NIST
IE	10.61	eV	NIST
IE	10.61	eV	NIST
log10WS	[-1.17; -1.17]
log10WS	-1.17		Aq. Solubility Prediction
log10WS	-1.17		Estimated Solubility
logPoct/wat	1.734		Crippen Calculated Property
McVol	59.950	ml/mol	McGowan Calculated Property
Pc	7100.00	kPa	KDB
Inp	[653.00; 733.00]
Inp	690.00		NIST
Inp	698.00		NIST
Inp	683.00		NIST
Inp	681.70		NIST
Inp	653.00		NIST
Inp	660.00		NIST
Inp	666.00		NIST
Inp	671.00		NIST
Inp	672.20		NIST
Inp	700.00		NIST
Inp	700.00		NIST
Inp	704.00		NIST
Inp	696.00		NIST
Inp	683.00		NIST
Inp	708.00		NIST
Inp	683.00		NIST
Inp	Outlier 733.00		NIST
Inp	672.20		NIST
Inp	683.00		NIST
I	[1166.00; 1196.47]
I	1166.00		NIST
I	1189.98		NIST
I	1196.47		NIST
I	1175.95		NIST
I	1174.00		NIST
I	1185.00		NIST
I	1166.00		NIST
Tboil	[369.11; 371.40]	K
Tboil	370.00	K	KDB
Tboil	370.10	K	NIST
Tboil	369.11 ± 0.30	K	NIST
Tboil	370.35 ± 0.20	K	NIST
Tboil	370.33 ± 0.10	K	NIST
Tboil	371.40 ± 0.50	K	NIST
Tboil	369.65 ± 0.15	K	NIST
Tc	583.00	K	KDB
Tfus	[220.45; 220.63]	K
Tfus	220.60	K	KDB
Tfus	220.53	K	Aq. Solubility Prediction
Tfus	220.45 ± 0.50	K	NIST
Tfus	220.63 ± 0.20	K	NIST
Vc	0.234	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[61.76; 74.49]	J/mol×K	[354.60; 566.60]
Cp,gas	61.76	J/mol×K	354.60	Joback Calculated Property
Cp,gas	64.40	J/mol×K	389.93	Joback Calculated Property
Cp,gas	66.81	J/mol×K	425.27	Joback Calculated Property
Cp,gas	69.00	J/mol×K	460.60	Joback Calculated Property
Cp,gas	71.00	J/mol×K	495.93	Joback Calculated Property
Cp,gas	72.83	J/mol×K	531.27	Joback Calculated Property
Cp,gas	74.49	J/mol×K	566.60	Joback Calculated Property
Cp,liquid	[104.10; 127.20]	J/mol×K	[298.00; 300.00]
Cp,liquid	127.20	J/mol×K	298.00	NIST
Cp,liquid	104.10	J/mol×K	298.15	NIST
Cp,liquid	105.30	J/mol×K	300.00	NIST
η	[0.0005148; 0.0027298]	Pa×s	[220.63; 354.60]
η	0.0027298	Pa×s	220.63	Joback Calculated Property
η	0.0018193	Pa×s	242.96	Joback Calculated Property
η	0.0012982	Pa×s	265.29	Joback Calculated Property
η	0.0009762	Pa×s	287.62	Joback Calculated Property
η	0.0007648	Pa×s	309.94	Joback Calculated Property
η	0.0006192	Pa×s	332.27	Joback Calculated Property
η	0.0005148	Pa×s	354.60	Joback Calculated Property
ΔvapH	[32.92; 37.80]	kJ/mol	[304.50; 370.10]
ΔvapH	37.80	kJ/mol	304.50	NIST
ΔvapH	36.50	kJ/mol	323.00	NIST
ΔvapH	32.92	kJ/mol	370.10	NIST
Pvap	13.01	kPa	313.15	Isothermal Vapor-Liquid Equilibria of ethyl acetate + dibromomethane, or + bromochloromethane or + 1,2-dichloroethane or +1-bromo-2-chloroethane at T = 313.15 K
n0	1.38510		298.15	Thermodynamic and Acoustic Properties of Mixtures of Dibromomethane + Heptane
ρl	[2478.36; 2500.00]	kg/m3	[293.00; 298.15]
ρl	2500.00	kg/m3	293.00	KDB
ρl	2478.61	kg/m3	298.15	Vapour liquid equilibrium at T = 308.15 K for binary systems: Dibromomethane + n-heptane, bromotrichloromethane + n-heptane, bromotrichloromethane + dibromomethane, bromotrichloromethane + bromochloromethane and dibromomethane + bromochloromethane. Experimental data and modelling
ρl	2478.36	kg/m3	298.15	(Vapor + liquid) equilibria for the binary mixtures (1-propanol + dibromomethane, or + bromochloromethane, or + 1,2-dichloroethane or +1-bromo-2-chloroethane) at T = 313.15 K.
csound,fluid	[911.40; 961.80]	m/s	[293.15; 313.15]
csound,fluid	961.80	m/s	293.15	Excess Molar Volumes and Speed of Sound in Bromotrichloromethane + n-Heptane, Dibromomethane + n-Heptane, Bromotrichloromethane + Dibromomethane, and Bromotrichloromethane + Bromochloromethane at Temperatures from (293.15 to 313.15) K
csound,fluid	949.20	m/s	298.15	Excess Molar Volumes and Speed of Sound in Bromotrichloromethane + n-Heptane, Dibromomethane + n-Heptane, Bromotrichloromethane + Dibromomethane, and Bromotrichloromethane + Bromochloromethane at Temperatures from (293.15 to 313.15) K
csound,fluid	936.60	m/s	303.15	Excess Molar Volumes and Speed of Sound in Bromotrichloromethane + n-Heptane, Dibromomethane + n-Heptane, Bromotrichloromethane + Dibromomethane, and Bromotrichloromethane + Bromochloromethane at Temperatures from (293.15 to 313.15) K
csound,fluid	924.00	m/s	308.15	Excess Molar Volumes and Speed of Sound in Bromotrichloromethane + n-Heptane, Dibromomethane + n-Heptane, Bromotrichloromethane + Dibromomethane, and Bromotrichloromethane + Bromochloromethane at Temperatures from (293.15 to 313.15) K
csound,fluid	911.40	m/s	313.15	Excess Molar Volumes and Speed of Sound in Bromotrichloromethane + n-Heptane, Dibromomethane + n-Heptane, Bromotrichloromethane + Dibromomethane, and Bromotrichloromethane + Bromochloromethane at Temperatures from (293.15 to 313.15) K
γ	[0.04; 0.04]	N/m	[293.15; 313.15]
γ	0.04	N/m	293.15	The additivity of surface and volumetric properties of alpha,omega-dihalogenoalkanes
γ	0.04	N/m	298.15	The additivity of surface and volumetric properties of alpha,omega-dihalogenoalkanes
γ	0.04	N/m	303.15	The additivity of surface and volumetric properties of alpha,omega-dihalogenoalkanes
γ	0.04	N/m	308.15	The additivity of surface and volumetric properties of alpha,omega-dihalogenoalkanes
γ	0.04	N/m	313.15	The additivity of surface and volumetric properties of alpha,omega-dihalogenoalkanes

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 203.39]	kPa	[271.63; 394.34]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.46629e+01
Coefficient B			-3.27979e+03
Coefficient C			-4.34750e+01
Temperature range, min.			271.63
Temperature range, max.			394.34
Pvap	1.33	kPa	271.63	Calculated Property
Pvap	3.00	kPa	285.26	Calculated Property
Pvap	6.19	kPa	298.90	Calculated Property
Pvap	11.86	kPa	312.53	Calculated Property
Pvap	21.35	kPa	326.17	Calculated Property
Pvap	36.41	kPa	339.80	Calculated Property
Pvap	59.24	kPa	353.44	Calculated Property
Pvap	92.52	kPa	367.07	Calculated Property
Pvap	139.38	kPa	380.71	Calculated Property
Pvap	203.39	kPa	394.34	Calculated Property
Pvap	[0.02; 7020.63]	kPa	[220.60; 611.00]	KDB Vapor Pressure Data
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			5.46965e+01
Coefficient B			-6.03095e+03
Coefficient C			-5.79321e+00
Coefficient D			3.20020e-06
Temperature range, min.			220.60
Temperature range, max.			611.00
Pvap	0.02	kPa	220.60	Calculated Property
Pvap	0.80	kPa	263.98	Calculated Property
Pvap	8.96	kPa	307.36	Calculated Property
Pvap	51.76	kPa	350.73	Calculated Property
Pvap	193.84	kPa	394.11	Calculated Property
Pvap	541.78	kPa	437.49	Calculated Property
Pvap	1234.23	kPa	480.87	Calculated Property
Pvap	2428.75	kPa	524.24	Calculated Property
Pvap	4295.39	kPa	567.62	Calculated Property
Pvap	7020.63	kPa	611.00	Calculated Property

Similar Compounds

Find more compounds similar to Methane, dibromo-.

Mixtures

• Methane, dibromo- + 1-Propanol
• Methane, dibromo- + Heptane
• Methane, dibromo- + Methane, bromotrichloro-
• Methane, dibromo- + Methane, bromochloro-
• Methane, dibromo- + Acetonitrile
• Methane, dibromo- + Furan
• Methane, dibromo- + Acetophenone
• Methane, dibromo- + Ethyl Acetate
• Methane, dibromo- + Methyl Alcohol
• Methane, dibromo- + Benzene
• Methane, dibromo- + Dimethyl Sulfoxide
• Methane, dibromo- + 2-Pyrrolidinone
• Methane, dibromo- + Water
• Methane, dibromo- + Acetone
• Methane, dibromo- + 1,4-Dioxane
• Methane, dibromo- + Ethyl ether
• Methane, dibromo- + 2-Butanone
• Methane, dibromo- + Tetrahydrofuran
• Methane, dibromo- + Pyridine

Sources

• KDB Vapor Pressure Data
• Cheméo Relay (1.0)
• Crippen Method
• Temperature and Pressure Dependence of the Volumetric Properties of Binary Liquid Mixtures Containing Dihaloalkanes
• Thermodynamic and Acoustic Properties of Mixtures of Dibromomethane + Heptane
• Vapour liquid equilibrium at T = 308.15 K for binary systems: Dibromomethane + n-heptane, bromotrichloromethane + n-heptane, bromotrichloromethane + dibromomethane, bromotrichloromethane + bromochloromethane and dibromomethane + bromochloromethane. Experimental data and modelling
• (Vapor + liquid) equilibria for the binary mixtures (1-propanol + dibromomethane, or + bromochloromethane, or + 1,2-dichloroethane or +1-bromo-2-chloroethane) at T = 313.15 K.
• The additivity of surface and volumetric properties of alpha,omega-dihalogenoalkanes
• EXCESS MOLAR ENTHALPIES OF DIBROMOMETHANE WITH ACETONITRILE,FURAN AND ACETOPHENONE 303.15 K
• Isothermal Vapor-Liquid Equilibria of ethyl acetate + dibromomethane, or + bromochloromethane or + 1,2-dichloroethane or +1-bromo-2-chloroethane at T = 313.15 K
• Excess Molar Volumes and Speed of Sound in Bromotrichloromethane + n-Heptane, Dibromomethane + n-Heptane, Bromotrichloromethane + Dibromomethane, and Bromotrichloromethane + Bromochloromethane at Temperatures from (293.15 to 313.15) K
• Determination of Henry's Law Constants Using Internal Standards with Benchmark Values
• Excess Enthalpies of Dibromomethane with Acetone, 1,4-Dioxane, Pyridine, Diethyl Ether, Ethyl Methyl Ketone, and Tetrahydrofuran at 303.15 K
• Excess Molar Enthalpies of Dibromomethane with Benzene, Methanol, Dimethylsulfoxide, and Pyrrolidin-2-one at 303.15 K
• Joback Method
• KDB
• Aqueous Solubility Prediction Method
• Estimated Solubility Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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