Melting point :129.5°C
Boiling point :367.89°C (rough estimate)
Density :1.1376 (rough estimate)
refractive index :1.4620 (estimate)
Flash point :9℃
storage temp. :2-8°C
solubility :Very slightly soluble in water, freely soluble in ethanol. It forms water-soluble compounds with alkali hydroxides and carbonates and with ammonia.
form :A neat solid
pka :pK1:8.11(0) (25°C)
Water Solubility :679 mg/L
CAS DataBase Reference :76-74-4(CAS DataBase Reference)
NIST Chemistry Reference :Pentobarbital(76-74-4)
EPA Substance Registry System :Pentobarbital (76-74-4)

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 H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 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.