Chemistry

Mannitol is isomeric with sorbitol, differing only in the stereochemistry at carbon atom 2.

Molecular formula: C6H14O6

Molecular weight: 182.17

Mannitol has water solubility of about 0.2 g per mL.

Safety

See my essay "Polyols--Digestive Issues" for a discussion of the potential gastrointestinal effects of polyol consumption.