30% (wt.), solvent - water Dynamic viscosity (mPa·s) = 0.952 (20°) Density (g/cm3) = 1.2593 (20°) Index of refraction = 1.3743 (20°) Freezing point (°C) = -11.82 40% (wt.), solvent - water Density of a material to that water at 4°C = 1.3746 (20°)
Density:
2.75 (25°C, g/cm3)
Dipole moment (D):
9.1 (647°C)
Viscosity (mPa·s):
1.18 (747°C) 0.92 (847°C) 0.83 (907°C)
Surface tension (mN/m):
88.2 (750°C) 81 (850°C) 73.8 (950°C)
Speed sound (m/s):
1770 (742°C, aggregative state - liquid) 3550 (20°C, aggregative state - crystals, ось L100) 1360 (20°C, aggregative state - crystals, ось S100) 3020 (20°C, aggregative state - crystals, ось L110)
Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):
-180 (g)
Standard molar entropy S0 (298.15 K, J/(mol·K)):
250.42 (g)
Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):
36.93 (g)
Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)