Chemical Properties of Dimethyl methylphosphonate (CAS 756-79-6)

InChI

InChI=1S/C3H9O3P/c1-5-7(3,4)6-2/h1-3H3

InChI Key

VONWDASPFIQPDY-UHFFFAOYSA-N

Formula

C3H9O3P

SMILES

COP(C)(=O)OC

Molecular Weight¹

124.08

CAS

756-79-6

Other Names

• DMMP
• Dimethoxymethylphosphine oxide
• Dimethyl ester of methylphosphonic acid
• Furan TF 2000
• Fyrol DMMP
• Metaran
• Methanephosphonic acid, dimethyl ester
• Methyl phosphonic acid, dimethyl ester
• NCI-C54762
• NSC 62240
• O,O-Dimethyl methylphosphonate
• Phosphonic acid, P-methyl-, dimethyl ester
• Phosphonic acid, methyl-, dimethyl ester
• Pyrol DMMP
• dimethyl methanephosphonate

• η : Dynamic viscosity (Pa×s).
• 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).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔvapH°	52.80	kJ/mol	NIST
IE	[10.00; 10.71]	eV
IE	10.00	eV	NIST
IE	10.00	eV	NIST
IE	10.71	eV	NIST
logPoct/wat	1.102		Crippen Calculated Property
McVol	91.200	ml/mol	McGowan Calculated Property
Inp	[839.00; 915.00]
Inp	839.00		NIST
Inp	839.00		NIST
Inp	840.00		NIST
Inp	881.00		NIST
Inp	880.90		NIST
Inp	915.00		NIST
Inp	868.00		NIST
Inp	876.00		NIST
Inp	881.00		NIST
Inp	880.90		NIST
I	[1493.00; 1501.00]
I	1493.00		NIST
I	1501.00		NIST
I	1493.60		NIST
Tboil	453.45	K	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate

Cheméo can also estimate Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
η	[0.0008830; 0.0017420]	Pa×s	[293.15; 333.15]
η	0.0017420	Pa×s	293.15	Densities and Viscosities of Binary Mixtures of Methanol with Dimethyl Methylphosphonate and Dimethyl Phosphite from (293.15 to 333.15) K
η	0.0015870	Pa×s	298.15	Densities and Viscosities of Binary Mixtures of Methanol with Dimethyl Methylphosphonate and Dimethyl Phosphite from (293.15 to 333.15) K
η	0.0014470	Pa×s	303.15	Densities and Viscosities of Binary Mixtures of Methanol with Dimethyl Methylphosphonate and Dimethyl Phosphite from (293.15 to 333.15) K
η	0.0013230	Pa×s	308.15	Densities and Viscosities of Binary Mixtures of Methanol with Dimethyl Methylphosphonate and Dimethyl Phosphite from (293.15 to 333.15) K
η	0.0012140	Pa×s	313.15	Densities and Viscosities of Binary Mixtures of Methanol with Dimethyl Methylphosphonate and Dimethyl Phosphite from (293.15 to 333.15) K
η	0.0010310	Pa×s	323.15	Densities and Viscosities of Binary Mixtures of Methanol with Dimethyl Methylphosphonate and Dimethyl Phosphite from (293.15 to 333.15) K
η	0.0008830	Pa×s	333.15	Densities and Viscosities of Binary Mixtures of Methanol with Dimethyl Methylphosphonate and Dimethyl Phosphite from (293.15 to 333.15) K
ΔvapH	[49.50; 64.00]	kJ/mol	[356.00; 372.00]
ΔvapH	54.90	kJ/mol	356.00	NIST
ΔvapH	51.80	kJ/mol	356.00	NIST
ΔvapH	50.60	kJ/mol	356.00	NIST
ΔvapH	49.50	kJ/mol	356.00	NIST
ΔvapH	64.00	kJ/mol	372.00	NIST
Pvap	[3.73e-03; 102.20]	kPa	[258.20; 454.40]
Pvap	3.73e-03	kPa	258.20	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	5.67e-03	kPa	263.40	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	0.02	kPa	273.20	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	0.02	kPa	278.20	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	0.04	kPa	283.20	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	0.04	kPa	285.00	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	0.05	kPa	288.20	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	0.08	kPa	293.20	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	0.65	kPa	326.40	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	0.80	kPa	330.20	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	0.93	kPa	332.40	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	1.07	kPa	335.20	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	1.20	kPa	337.60	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	1.39	kPa	339.20	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	1.97	kPa	345.80	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	3.35	kPa	356.80	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	2.73	kPa	358.17	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	3.51	kPa	362.65	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	4.75	kPa	368.35	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	6.34	kPa	373.95	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	8.00	kPa	376.80	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	8.76	kPa	380.75	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	10.96	kPa	385.95	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	13.35	kPa	389.80	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	13.41	kPa	390.25	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	14.93	kPa	393.15	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	18.07	kPa	397.45	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	20.76	kPa	401.25	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	21.28	kPa	402.00	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	23.13	kPa	403.85	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	28.76	kPa	409.65	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	31.41	kPa	412.45	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	35.86	kPa	416.27	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	39.84	kPa	419.60	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	39.93	kPa	421.80	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
Pvap	44.26	kPa	423.25	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	50.30	kPa	427.05	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	58.21	kPa	431.95	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	63.24	kPa	434.65	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	68.40	kPa	437.75	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	77.79	kPa	442.25	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	84.92	kPa	446.25	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	91.51	kPa	448.65	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	96.47	kPa	450.85	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	101.32	kPa	453.45	Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
Pvap	102.20	kPa	454.40	Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds

Similar Compounds

Find more compounds similar to Dimethyl methylphosphonate.

Mixtures

• Dimethyl methylphosphonate + Methyl Alcohol
• Dimethyl methylphosphonate + Water

Sources

• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• Ambient Volatility of DMMP
• Densities and Viscosities of Binary Mixtures of Methanol with Dimethyl Methylphosphonate and Dimethyl Phosphite from (293.15 to 333.15) K
• Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds
• Vapor Pressure of Dimethyl Phosphite and Dimethyl Methylphosphonate
• McGowan Method
• NIST Webbook

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
These property values are available through the Cheméo API. A free account gives you an access key.