Melting point :172-175 °C (lit.)
Boiling point :191.38°C (rough estimate)
Density :1.3516 (rough estimate)
refractive index :1.5110 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :Soluble in HCl.
form :powder to crystal
pka :7.00±0.70(Predicted)
color :White to Almost white
Water Solubility :180 g/L (20 ºC)
BRN :1751401
InChI :InChI=1S/C3H6N2O2/c4-2(6)1-3(5)7/h1H2,(H2,4,6)(H2,5,7)
InChIKey :WRIRWRKPLXCTFD-UHFFFAOYSA-N
SMILES :C(N)(=O)CC(N)=O
CAS DataBase Reference :108-13-4(CAS DataBase Reference)
NIST Chemistry Reference :Propanediamide(108-13-4)
EPA Substance Registry System :Propanediamide (108-13-4)

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.