The Molecular Structure of  7-(Diethylamino)-4-methylcoumarin sulfate (CAS NO.67210-66-6):

Molecular Formula: C₁₄H₁₉NO₆S
Molecular Weight: 329.368760 g/mol
Flash Point: 152 °C
Enthalpy of Vaporization: 64.13 kJ/mol
Boiling Point: 391.7 °C at 760 mmHg
Vapour Pressure: 2.43E-06 mmHg at 25°C 
Classification Code: Drug / Therapeutic Agent
InChI
InChI=1/C14H17NO2.H2O4S/c1-4-15(5-2)11-6-7-12-10(3)8-14(16)17-13(12)9-11;1-5(2,3)4/h6-9H,4-5H2,1-3H3;(H2,1,2,3,4)
Smiles
c12c(ccc([N+](CC)CC)c1)c(cc(o2)=O)C.S(O)(=O)(=O)[O-] 
The IUPAC of 7-(Diethylamino)-4-methylcoumarin sulfate (CAS NO.67210-66-6) is diethyl-(4-methyl-2-oxochromen-7-yl)azanium; hydrogen sulfate .

Reported in EPA TSCA Inventory.

Moderately toxic by ingestion. When heated to decomposition it emits very toxic fumes of SO_x and NO_x.

 7-(Diethylamino)-4-methylcoumarin sulfate (CAS NO.67210-66-6) is also called as 2H-1-Benzopyran-2-one, 7-(diethylamino)-4-methyl-, sulfate (1:1) ; 4-Methyl-7-(diethylamino)coumarin, hydrosulfate ; 4-Methyl-7-diethylaminocoumarin, hydrogensulfate ; 7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one sulfate (1:1) ; 7-Diethylamino-4-methylcoumarin sulfuric acid salt ; Coumarin, 7-(diethylamino)-4-methyl-, sulfate (1:1) ; Diethyl-4-methyl-7-coumarinylammonium hydrogen sulfate ; EINECS 266-604-3 ; (Diethyl(4-methyl-2-oxo-2H-benzopyran-7-yl))ammonium hydrogen sulphate ; 2H-1-Benzopyran-2-one, 7-(diethylamino)-4-methyl-, sulfate (1:1) ; Coumarin, 7-diethylamino-4-methyl-, hydrogen sulfate .