Thiobarbituric acid, with the CAS number 504-17-6, is an organic compound and a heterocycle. It has many Synonyms of TBA; TIMTEC-BB SBB004132; THIOBARBITURIC ACID; 5h)-pyrimidinedione,dihydro-2-thioxo-6(1h; 6(1H,5H)-Pyrimidinedione,dihydro-2-thioxo-4; austranal; 2-mercaptobarbituricacid; 2-thio-barbituricaci.  It is used to quantitate lipopolysaccharides, carrageenan, and sialic acids. Used to detect lipid hydroperoxides and lipid oxidation.

Physical properties about Thiobarbituric acid are: (1)ACD/LogP: -0.518; (2)ACD/LogD (pH 5.5): -0.86; (3)ACD/LogD (pH 7.4): -2.37; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)ACD/KOC (pH 5.5): 5.63; (7)ACD/KOC (pH 7.4): 1.00; (8)#H bond acceptors: 4; (9)#H bond donors: 2; (10)Index of Refraction: 1.645; (11)Molar Refractivity: 33.166 cm³; (12)Molar Volume: 91.445 cm³; (13)Polarizability: 13.148 10-24cm³; (14)Surface Tension: 80.661003112793 dyne/cm; (15)Density: 1.576 g/cm³

When you are using Thiobarbituric acid, please be cautious about it as the following:
1. Do not breathe dust;
2. Avoid contact with skin and eyes;
3. Wear suitable gloves and eye/face protection;
4. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;

You can still convert the following datas into molecular structure:
(1)InChI=1S/C4H4N2O2S/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9);
(2)InChIKey=RVBUGGBMJDPOST-UHFFFAOYSA-N;
(3)SmilesC1(CC(NC(N1)=S)=O)=O;

The toxicity data is as follows: