Chemical Properties of VX (CAS 50782-69-9)

InChI

InChI=1S/C11H26NO2PS/c1-7-14-15(6,13)16-9-8-12(10(2)3)11(4)5/h10-11H,7-9H2,1-6H3

InChI Key

JJIUCEJQJXNMHV-UHFFFAOYSA-N

Formula

C11H26NO2PS

SMILES

CCOP(C)(=O)SCCN(C(C)C)C(C)C

Molecular Weight¹

267.37

CAS

50782-69-9

Other Names

• A 4
• MPT
• Methyl-phosphonothioic acid S-(2-diisopropylamino-ethyl) ester O-ethyl ester
• Methylthiophosphonic acid, O-ethyl-S-[2-(N,N-diisopropylamino)ethyl] ester
• O-Ethyl S-2-diisopropylaminoethyl methylphosphonothiolate
• O-ethyl S-(2-diisopropylaminoethyl) methylphosphonothioate
• O-ethyl S-(2-diisopropylaminoethyl) methylthiophosphonate
• O-ethyl S-diisopropylaminoethyl methylphosphonothioate
• O-ethyl-S-[2-(N,N-diisopropylamino)ethyl] methylthiophosphon
• Phosphonohioic acid, methyl, O-ethyl-S-(2-diisopropylaminoethyl) ester
• Phosphonothioic acid, P-methyl-, S-(2-(bis(1-methylethyl)amino)ethyl) O-ethyl ester
• S-2-diisopropylaminoethyl O-ethyl methylphosphonothioate
• S-[2-(Diisopropylamino)ethyl] o-ethyl methylphosphonothioate
• S-[2-(diisopropylamino)ethyl] O-ethyl methylphosphonothiolate
• VX agent
• VX vapor
• phosphonothioic acid, methyl-, S-[2-[bis(1-methylethyl)amino]ethyl] O-ethyl ester
• tx 60

• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• γ : Surface Tension (N/m).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
log10WS	-4.47		Crippen Calculated Property
logPoct/wat	3.698		Crippen Calculated Property
McVol	224.380	ml/mol	McGowan Calculated Property
Inp	[1664.00; 1713.00]
Inp	1664.00		NIST
Inp	1713.00		NIST
Inp	1667.00		NIST
Inp	1705.00		NIST
Inp	1664.10		NIST
Inp	1710.10		NIST
Inp	1667.00		NIST
Inp	1713.00		NIST
Inp	1708.00		NIST
Inp	1704.00		NIST
Inp	1713.00		NIST
Inp	1708.00		NIST
Inp	1667.00		NIST
I	[2275.30; 2275.30]
I	2275.30		NIST
I	2275.30		NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[77.90; 101.00]	kJ/mol	[297.50; 323.00]
ΔvapH	101.00	kJ/mol	297.50	NIST
ΔvapH	77.90	kJ/mol	323.00	NIST
γ	[0.03; 0.03]	N/m	[273.15; 323.15]
γ	0.03	N/m	273.15	Thermop...
γ	0.03	N/m	283.15	Thermop...
γ	0.03	N/m	298.15	Thermop...
γ	0.03	N/m	308.15	Thermop...
γ	0.03	N/m	323.15	Thermop...

Similar Compounds

Find more compounds similar to VX.

Sources

• Crippen Method
• Crippen Method
• Thermophysical Properties of VX and RVX
• McGowan Method
• NIST Webbook

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