The 3-Thiomorpholinone, with the CAS registry number 20196-21-8, is also known as 3-Oxothiomorpholine. Its EINECS registry number is 243-581-8. This chemical's molecular formula is C₄H₇NOS and molecular weight is 117.16948. What's more, both its IUPAC name and systematic name are the same which is called Thiomorpholin-3-one.

Physical properties about 3-Thiomorpholinone are: (1)ACD/LogP: -1.38; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.38; (4)ACD/LogD (pH 7.4): -1.38; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 4.24; (8)ACD/KOC (pH 7.4): 4.24; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 45.61 Å²; (13)Index of Refraction: 1.523; (14)Molar Refractivity: 30.08 cm³; (15)Molar Volume: 98.4 cm³; (16)Surface Tension: 39.2 dyne/cm; (17)Density: 1.189 g/cm³; (18)Flash Point: 165 °C; (19)Enthalpy of Vaporization: 59.37 kJ/mol; (20)Boiling Point: 349.3 °C at 760 mmHg; (21)Vapour Pressure: 4.76E-05 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C1NCCSC1
(2) InChI: InChI=1/C4H7NOS/c6-4-3-7-2-1-5-4/h1-3H2,(H,5,6)
(3) InChIKey: HBDDRESWUAFAHY-UHFFFAOYAU

The toxicity data is as follows: