—
Sodium Alginate
Glass Transition (Tg)
—
Melting Point (Tm)
— (decomposes)
Density
1.60 g/cm³
CAS Number
9005-38-3
Recycling Code
None
Category
Natural
Repeat Unit
–[C₆H₈O₆]ₙ– (M & G blocks)
The repeating unit is the smallest structural fragment whose repetition builds the whole chain. Subscripts show the relative share of each unit in copolymers.
Key Properties
Forms an instant ionic "egg-box" hydrogel with Ca²⁺ at room temperature without any organic solvent — ideal for cell encapsulation.
Applications
Cell encapsulation, bioprinting inks, wound dressings, food gels.