Melting point :105-107 °C(Solv: ethyl acetate (141-78-6))
Boiling point :511.93°C (rough estimate)
Density :1.1527 (rough estimate)
refractive index :1.7600 (estimate)
storage temp. :Sealed in dry,2-8°C
pka :pKa 7.60±0.01(H2O t=25.0 I=0.1(NaCl)) (Uncertain)
form :Solid
color :White to off-white
BCS Class :1
CAS DataBase Reference :36505-84-7(CAS DataBase Reference)
NIST Chemistry Reference :8-Azaspiro[4.5]decane-7,9-dione, 8-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-(36505-84-7)
EPA Substance Registry System :8-Azaspiro[4.5]decane-7,9-dione, 8-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]- (36505-84-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P321 Specific treatment (see … on this label). P330 Rinse mouth. P405 Store locked up. P501 Dispose of contents/container to..…