D-Mannuronate

Chemical Properties

Melting point	α form 120-130 (monohydrate) β form 165-167 (monohydrate)
solubility	Soluble (water)
Boiling point	553.4±50.0 °C(Predicted)
Density	1.748±0.06 g/cm3(Predicted)
pka	3.30±0.35(Predicted)
optical activity	α type -16.01 → -6.05 β type -47.9 → -23.9