The Molecular Structure of Methyl(1-oxobutyl)carbamic acid 2,2-dimethyl-1,3-benzodioxol-4-yl ester (CAS NO.40373-43-1):
Molecular Formula: C₁₅H₁₉NO₅
Molecular Weight: 293.315060 g/mol 
IUPAC: (2,2-dimethyl-1,3-benzodioxol-4-yl) N-butanoyl-N-methylcarbamate
Density: 1.187 g/cm³
Flash Point: 181.1 °C
Enthalpy of Vaporization: 62.33 kJ/mol
Boiling Point: 375.8 °C at 760 mmHg
Vapour Pressure: 7.59E-06 mmHg at 25°C
ACD/LogP: 2.61 
ACD/LogD (pH 5.5): 2.61
ACD/LogD (pH 7.4): 2.61
ACD/BCF (pH 5.5): 56.3
ACD/BCF (pH 7.4): 56.3
ACD/KOC (pH 5.5): 623.22
ACD/KOC (pH 7.4): 623.22 
Polar Surface Area: 65.07 Å²
Index of Refraction: 1.522
Molar Refractivity: 75.35 cm³
Molar Volume: 247cm³
Surface Tension: 44.2 dyne/cm

Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of NO_x.

 Methyl(1-oxobutyl)carbamic acid 2,2-dimethyl-1,3-benzodioxol-4-yl ester (CAS NO.40373-43-1) can also be called as 2,2-Dimethyl-1,3-benzodioxol-4-yl N-butyryl-N-methylcarbamate ; Carbamic acid, methyl(1-oxobutyl)-, 2,2-dimethyl-1,3-benzodioxol-4-yl ester .