Melting point :51-54 °C(lit.)
Boiling point :165-170 °C45 mm Hg(lit.)
Density :1.053 g/cm3 (60℃)
vapor density :5.63 (vs air)
vapor pressure :<0.1 mm Hg ( 20 °C)
refractive index :1.5400 (estimate)
Flash point :>230 °F
storage temp. :Store below +30°C.
solubility :3.46 g/L
pka :5.19±0.40(Predicted)
form :powder to crystal
color :White to Light yellow to Light red
Water Solubility :3.46 g/L
InChIKey :FHQRDEDZJIFJAL-UHFFFAOYSA-N
LogP :1.360 (est)
CAS DataBase Reference :92-53-5(CAS DataBase Reference)
NIST Chemistry Reference :Morpholine, 4-phenyl-(92-53-5)
EPA Substance Registry System :Morpholine, 4-phenyl- (92-53-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, 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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.