Chemical Properties of Chlormephos (CAS 24934-91-6)

InChI

InChI=1S/C5H12ClO2PS2/c1-3-7-9(10,8-4-2)11-5-6/h3-5H2,1-2H3

InChI Key

QGTYWWGEWOBMAK-UHFFFAOYSA-N

Formula

C5H12ClO2PS2

SMILES

CCOP(=S)(OCC)SCCl

Molecular Weight¹

234.70

CAS

24934-91-6

Other Names

• Phosphorodithioic acid, S-(chloromethyl) O,O-diethyl ester
• Chlormethylfos
• Dotan
• Methanethiol, chloro-, S-ester with O,O-diethyl phosphorodithioate
• MC 2188
• O,O-Diethyl S-(Chloromethyl)dithiophosphate
• P 2188
• S-(Chloromethyl) O,O-diethyl phosphorothiolothionate
• Chlormefos
• S-(Chloromethyl) O,O-diethylphosphorodithioate

• ω : Acentric Factor.
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (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).
• I_np : Non-polar retention indices.
• 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	0.3622		Relay (... Calculated Property
ΔfG°	-202.32	kJ/mol	Relay (... Calculated Property ⚠️
ΔfH°gas	-417.43	kJ/mol	Relay (... Calculated Property
ΔvapH°	65.14	kJ/mol	Relay (... Calculated Property
IE	8.85	eV	Relay (... Calculated Property
log10WS	-3.98		Relay (... Calculated Property
logPoct/wat	3.213		Crippen Calculated Property
McVol	158.450	ml/mol	McGowan Calculated Property
Pc	2500.14	kPa	Relay (... Calculated Property ⚠️
Inp	[1399.00; 1433.00]
Inp	1399.00		NIST
Inp	1433.00		NIST
Tboil	556.21	K	Relay (... Calculated Property
Tc	718.66	K	Relay (... Calculated Property
Tfus	243.60	K	Relay (... Calculated Property
Vc	0.539	m3/kmol	Relay (... Calculated Property

Similar Compounds

Find more compounds similar to Chlormephos.

Sources

• Cheméo Relay (1.0)
• 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
• McGowan Method
• NIST Webbook

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