Melting point :174°C
Boiling point :374.4°C (rough estimate)
Density :1.2243 (rough estimate)
refractive index :1.6660 (estimate)
Flash point :11 °C
storage temp. :2-8°C
solubility :Very slightly soluble in water, freely soluble in ethanol (96 per cent). It forms water-soluble compounds with alkali hydroxides, carbonates and ammonia.
form :Solid
pka :7.3, 11.8(at 25℃)
color :White to Off-White
Water Solubility :<0.01 g/100 mL at 14 ºC
Merck :13,7319
BCS Class :1
Stability :Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference :50-06-6(CAS DataBase Reference)
IARC :2B (Vol. Sup 7, 79) 2001
NIST Chemistry Reference :Barbituric acid, 5-ethyl-5-phenyl-,(50-06-6)
EPA Substance Registry System :Phenobarbital (50-06-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, 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. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P281 Use personal protective equipment as required. P302+P352 IF ON SKIN: wash with plenty of soap and water. P308+P313 IF exposed or concerned: Get medical advice/attention. P321 Specific treatment (see … on this label). P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P363 Wash contaminated clothing before reuse. P405 Store locked up. P501 Dispose of contents/container to..…