1) Appearance of solution: White, crystalline solid 
2) Density:~1.49 g/cm³
3) Melting Point: 95–100°C
4) Purity: The product must meet pharmacopeias limits for sorbitol content, reducing sugars, heavy metals, and microbial load (EP/USP compliance)
5) Solubility: Highly soluble in water; stable in solution due to polyhydric alcohol structure