CAS Number:25322‑69‑4
Synonyms:Polypropylene glycol 2000; PPG‑2000; Polyether polyol; Poly (propylene glycol) 2000
Chemical Formula:HO–(C₃H₆O)ₙ–OH (n ≈ 36)
Molecular Weight:~2000 g/mol
Product Introduction
A clear, odorless/slightly sweet viscous liquid. A mid‑range molecular weight polypropylene glycol, used as a polyol, antifoam, lubricant, humectant, and elastomer soft‑segment. FDA GRAS status for food/cosmetic use
| Property | Value |
|---|---|
| Appearance | Clear, colorless viscous liquid |
| Odor | Slightly sweet, low odor |
| Density @ 25 °C | ~1.004 g/cm³ |
| Viscosity @ 20 °C | ~370–450 mPa·s |
| Pour Point | Higher than lower MW PPG, partially water‑soluble |
| Flash Point | >100 °C |
| Water Solubility | Slight; decreases at elevated temperature |
| Vapor Pressure | Very low |
| Hydroxyl Value | ~54–58 mg KOH/g |