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Urea Structure

Urea

  • Product NameUrea
  • CAS57-13-6
  • MFCH4N2O
  • MW60.06
  • EINECS200-315-5
  • MOL File57-13-6.mol

Chemical Properties

Melting point 132-135 °C(lit.)
Boiling point 332.48°C (estimate)
Density  1.335 g/mL at 25 °C(lit.)
vapor pressure  <0.1 hPa (20 °C)
refractive index  n20/D 1.40
storage temp.  2-8°C
solubility  H2O: 8 M at 20 °C
form  powder
pka 0.10(at 25℃)
color  white
Specific Gravity 1.335
PH 8.0-10.0 (20℃, 8M in H2O)
Odor almost odorless
Water Solubility  1080 g/L (20 ºC)
λmax λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.02
Merck  14,9867
BRN  635724
Dielectric constant 3.5(Ambient)
Stability Substances to be avoided include strong oxidizing agents. Protect from moisture.
InChIKey XSQUKJJJFZCRTK-UHFFFAOYSA-N
LogP -1.660 (est)
CAS DataBase Reference 57-13-6(CAS DataBase Reference)
NIST Chemistry Reference Urea(57-13-6)
EPA Substance Registry System Urea (57-13-6)

Safety Information

Hazard Codes  Xn,Xi
Risk Statements  36/37/38-40-38
Safety Statements  26-36-24/25-37
RIDADR  Not regulated
WGK Germany  1
RTECS  YR6250000
TSCA  Yes
HS Code  31021010
Hazardous Substances Data 57-13-6(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 8471 mg/kg LD50 dermal Rat 8200 mg/kg

MSDS

Usage And Synthesis

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