The Molecular Structure of Methyl (((methoxymethylphosphinothioyl)thio)acetyl)methylcarbamate (CAS NO.29173-31-7):
Molecular Formula: C₇H₁₄NO₄PS₂
Molecular Weight: 271.294121 g/mol
IUPAC: methyl N-[2-[methoxy(methyl)phosphinothioyl]sulfanylacetyl]-N-methylcarbamate 
Flash Point: 185.1 °C
Density: 1.327 g/cm³
Enthalpy of Vaporization: 63.08 kJ/mol
Boiling Point: 382.4 °C at 760 mmHg
Vapour Pressure: 4.72E-06 mmHg at 25°C
ACD/LogP: -0.45 
ACD/LogD (pH 5.5): -0.45
ACD/LogD (pH 7.4): -0.45
ACD/BCF (pH 5.5): 1
ACD/BCF (pH 7.4): 1
ACD/KOC (pH 5.5): 13.57
ACD/KOC (pH 7.4): 13.57
Polar Surface Area: 123.04Ų
Index of Refraction: 1.537
Molar Refractivity: 63.88 cm³
Molar Volume: 204.2 cm³ 
Surface Tension: 52.5 dyne/cm 

Poison by ingestion. Moderately toxic by skin contact. When heated to decomposition it emits very toxic fumes of SO_x, PO_x, and NO_x. See also CARBAMATES.

 Methyl (((methoxymethylphosphinothioyl)thio)acetyl)methylcarbamate (CAS NO.29173-31-7) is also called as 2-Oxa-4-thia-7-aza-3-phosphaoctan-8-oic acid, 3,7-dimethyl-6-oxo-, methyl ester, 3-sulfide ;  AI3-27723 ; BRN 1975896 ; Caswell No. 549E ; EINECS 249-487-3 ; EPA Pesticide Chemical Code 549600 ; MC 2420 ; Mecarphon ; Mecarphos ; Mercarphon ; Mercarphon [ISO] ; S-((Methoxycarbonyl)methylcarbamoyl)methyl O-methyl methylphosphonodithioate ; S-(N-Methoxycarbonyl-N-methylcarbamoylmethyl)dimethyl phosphonothiolothionate ; Carbamic acid, (((methoxymethylphosphinothioyl)thio)acetyl)methyl-, methyl ester ; Phosphonodithioic acid, methyl-, S-((N-methoxycarbonyl)-N-methylcarbamoyl) methyl O-methyl ester .