Chemical Properties of Methidathion (CAS 950-37-8)

InChI

InChI=1S/C6H11N2O4PS3/c1-10-5-7-8(6(9)16-5)4-15-13(14,11-2)12-3/h4H2,1-3H3

InChI Key

MEBQXILRKZHVCX-UHFFFAOYSA-N

Formula

C6H11N2O3PS2

SMILES

COc1nn(CSP(=S)(OC)OC)c(=O)s1

Molecular Weight¹

254.27

CAS

950-37-8

Other Names

• Phosphorodithioic acid, S-[(5-methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl ester
• Phosphorodithioic acid, O,O-dimethyl ester, S-ester with 4-(mercaptomethyl)-2-methoxy-«DELTA»2-1,3,4-thiadiazolin-5-one
• DMTP
• Geigy GS 13005
• Geigy 13005
• GS 13005
• Medathion
• Supracid
• Supracide
• Ultracid
• Ultracid 40
• S-(2,3-Dihydro-5-methoxy-2-oxo-1,3,4-thiadiazol-3-ylmethyl) O,O-dimethyl phosphorodithioate
• Ciba-geigy gs 13005
• (O,O-Dimethyl)-S-(-2-methoxy-«DELTA»2-1,3,4-thiadiazolin-5-on-4-ylmethyl)dithiophosphate
• S-(2,3-Dihydro-5-methoxy-2-oxo-1,3,4-thiadiazol-3-methyl) dimethyl phosphorothiolothionate
• O,O-Dimethyl S-(5-methoxy-1,3,4-thiadiazolinyl-3-methyl) dithiophosphate
• O,O-Dimethyl-S-(2-methoxy-1,3,4-thiadiazol-5(4H)-onyl-(4)-methyl) phosphorodithioate
• O,O-Dimethyl-S-(2-methoxy-1,3,4-thiadiazol-5-on-4-yl)-methyl-dithiophosphate
• O,O-Dimethyl-S-(2-methoxy-1,3,4-thiadiazol-5-(4H)-onyl-(4)-methyl)-dithiophosphate
• O,O-Dimethyl-S-((2-methoxy-1,3,4 (4H)-thiodiazol-5-on-4-yl)-methyl)-dithiofosfaat
• O,O-Dimetil-S-((2-metossi-1,3,4-(4H)-tiadiazol-5-on-4-il)-metil)-ditiofosfato
• ENT 27193
• Fisons NC 2964
• Methidathion 50S
• S-2-Metoksy-1,3,4-tiadiazolo-5-on-N-metylo-O,O-dwumetylowy
• S-((5-Methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl) O,O-dimethyl phosphorodithioate
• OMS 844
• Somonil
• Ultracide
• Suprathion
• DMTP (insecticide)
• Ultracid EC 40
• Dithiophosphoric acid O,O'-dimethyl-S-((2-methoxy-1,3,4-thiadiazol-5(4H)-on-4-yl)methyl) ester
• Dithiophosphoric acid O,O'-dimethyl-S-((5-methoxy-1,3,4-thiadiazol-2(3H)-on-3-yl)methyl) ester

• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• I_np : Non-polar retention indices.
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
logPoct/wat	1.521		Crippen Calculated Property
McVol	188.890	ml/mol	McGowan Calculated Property
Inp	[2027.00; 2115.00]
Inp	2037.00		NIST
Inp	2115.00		NIST
Inp	2046.00		NIST
Inp	2064.00		NIST
Inp	2058.00		NIST
Inp	2100.00		NIST
Inp	2100.00		NIST
Inp	2092.00		NIST
Inp	2099.00		NIST
Inp	2103.00		NIST
Inp	2037.00		NIST
Inp	2027.00		NIST
Inp	2037.00		NIST
Inp	2045.00		NIST
Inp	2030.00		NIST
Inp	2115.00		NIST
Inp	2113.00		NIST
Inp	2100.00		NIST
Inp	2030.00		NIST
Inp	2099.00		NIST
Inp	2100.00		NIST
Inp	2046.00		NIST
Inp	2058.00		NIST
Inp	2045.00		NIST
Tfus	315.61 ± 0.20	K	NIST

Cheméo can also estimate Normal Boiling Point Temperature, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, 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

Similar Compounds

Find more compounds similar to Methidathion.

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
• McGowan Method
• NIST Webbook

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