Melting point :263-267 °C (lit.) 264-267 °C
Boiling point :339.0±11.0 °C(Predicted)
Density :1.053±0.06 g/cm3(Predicted)
Flash point :158 °C
storage temp. :Sealed in dry,Room Temperature
form :powder to crystal
pka :14.57±0.20(Predicted)
color :White to Almost white
BRN :107758
InChI :1S/C4H8N2O/c7-4-5-2-1-3-6-4/h1-3H2,(H2,5,6,7)
InChIKey :NQPJDJVGBDHCAD-UHFFFAOYSA-N
SMILES :O=C1NCCCN1
CAS DataBase Reference :1852-17-1(CAS DataBase Reference)
EPA Substance Registry System :Propylene urea (1852-17-1)

Symbol(GHS):
Signal word:	Warning
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 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.