This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.
275 °F (NTP, 1992)
132 °C to 135 °C
132.70 °C
Ionization potential = 9 eV; Latent heat of fusion = 15.4 kJ/mol (at melting point); Latent heat of sublimation = 87.9 kJ/mol @ 25 °C; Heat of formation = -333.7 kJ/mol @ 25 °C; Decomposition temp = 135 °C
132 °C
Boiling Point
Decomposes (NTP, 1992)
Decomposes
Density
1.34 at 68 °F (USCG, 1999) - Denser than water; will sink
1.3230 @ 20 °C/4 °C
On further heating it decomp to biuret, NH3, cyanuric acid; pH of 10% water soln: 7.2; density of water soln (wt/wt): 1.027 @ 10%; 1.054 @ 20%; 1.145 @ 50%
g/cm³
Physical Description
Urea appears as solid odorless white crystals or pellets. Density 1.335 g /cc. Noncombustible.
Pellets or Large Crystals; Pellets or Large Crystals, Liquid; Dry Powder, Pellets or Large Crystals; Dry Powder, Liquid; Pellets or Large Crystals, Liquid, Other Solid; NKRA; Liquid, Other Solid; Other Solid; Water or Solvent Wet Solid; Dry Powder; Liquid
Colourless to white, prismatic, crystalline powder or small, white pellets
White solid with a characteristic odor; [ICSC]
Solid