The 1,3,4-Thiadiazole-2(3H)-thione,5-(ethylthio)-, with the CAS registry number 37147-15-2, has the systematic name of 5-(ethylsulfanyl)-1,3,4-thiadiazole-2(3H)-thione. It is a kind of organics, and should be stored in the dry and cool environment. And the molecular formula of the chemical is C₄H₆N₂S₃.

The characteristics of 1,3,4-Thiadiazole-2(3H)-thione,5-(ethylthio)- are as followings: (1)ACD/LogP: 1.30; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.95; (4)ACD/LogD (pH 7.4): -0.4; (5)ACD/BCF (pH 5.5): 2.56; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 54.16; (8)ACD/KOC (pH 7.4): 2.4; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 98.29 Å²; (13)Index of Refraction: 1.764; (14)Molar Refractivity: 47.29 cm³; (15)Molar Volume: 114.4 cm³; (16)Polarizability: 18.74×10^-24cm³; (17)Surface Tension: 56.5 dyne/cm; (18)Density: 1.55 g/cm³; (19)Flash Point: 109.8 °C; (20)Enthalpy of Vaporization: 49.56 kJ/mol; (21)Boiling Point: 258 °C at 760 mmHg; (22)Vapour Pressure: 0.0141 mmHg at 25°C. 

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: S=C1SC(\SCC)=N/N1
(2)InChI: InChI=1/C4H6N2S3/c1-2-8-4-6-5-3(7)9-4/h2H2,1H3,(H,5,7)
(3)InChIKey: JLJYQXMUUKOBBO-UHFFFAOYAJ