IUPAC Name: 1,3-Diazinane-2,4-dione
Following is the structure of 2,4(1H,3H)-Pyrimidinedione,dihydro- (CAS NO.504-07-4):
               
Empirical Formula: C₄H₆N₂O₂
Molecular Weight: 114.1026 g/mol
EINECS: 207-982-1
Index of Refraction: 1.467
Molar Refractivity: 25.4 cm³
Molar Volume: 91.5 cm³
Density: 1.246 g/cm³
Melting point: 279-281 °C(lit.)
Surface Tension: 38.1 dyne/cm
Product Categories of 2,4(1H,3H)-Pyrimidinedione,dihydro- (CAS NO.504-07-4): Nucleic acids
Appearance of 2,4(1H,3H)-Pyrimidinedione,dihydro- (CAS NO.504-07-4): white to light beige crystalline powder
Canonical SMILES: C1CNC(=O)NC1=O
InChI: InChI=1S/C4H6N2O2/c7-3-1-2-5-4(8)6-3/h1-2H2,(H2,5,6,7,8)
InChIKey: OIVLITBTBDPEFK-UHFFFAOYSA-N

 2,4(1H,3H)-Pyrimidinedione,dihydro- (CAS NO.504-07-4) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.

Safety Statements: 24/25
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3

 2,4(1H,3H)-Pyrimidinedione,dihydro- , its cas register number is 504-07-4. It also can be called 5,6-Dihydro-2,4-dihydroxypyrimidine ; 5,6-Dihydrouracil ; and Dihydrouracil .
 2,4(1H,3H)-Pyrimidinedione,dihydro- (CAS NO.504-07-4) is hazardous, so the first aid measures and others should be known. Such as: When on the skin: Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Or in the eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. While, it's inhaled: Remove from exposure and move to fresh air immediately. And as soon as to get medical aid. Then you have the ingesting of the product : Do not induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
 2,4(1H,3H)-Pyrimidinedione,dihydro- (CAS NO.504-07-4) could be stable under normal temperatures and pressures. It should avoid the condition like incompatible materials, strong oxidants. It is not compatible with strong oxidizing agents. And also prevent it to broken down into hazardous decomposition products: nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen. However, its hazardous polymerization has not been reported. In addition, it should be stored in a cool, dry place, or keep its container closed when not in use.