PEG 200 Monoisostearate
CAS: 56002-14-3
Category: Surfactants
| Purity | Industrial Grade ≥99.0%, Cosmetic Grade ≥99.0%, Pharmaceutical Grade (where applicable) |
| Molecular Formula | C18H36O2·(C2H4O)n |
| Molecular Weight | Approx. 450-550 |
| Appearance | Colorless to pale yellow viscous liquid or soft waxy solid with slight characteristic odor |
| Packaging | 25 kg plastic drum, 50 kg plastic drum, 200 kg polyethylene drum, or 1000 kg IBC tank |
| Testing Indicators | Appearance — Visual inspection; Acid value — Potentiometric titration (ASTM D664); Saponification value — Titration method (ASTM D5558); Hydroxyl value — Acetylation/titration method (ASTM E1899); Water content — Karl Fischer titration (ASTM E203); HLB value — Calculation method based on hydrophilic-lipophilic balance; Viscosity — Brookfield rotational viscometer; Color — Platinum-cobalt color measurement (ASTM D1209); Identification — FTIR spectroscopy (ester carbonyl absorption around 1735 cm⁻¹); Ethylene oxide residue — GC analysis where required. |
| Storage Notes | Store in a cool, dry, and well-ventilated warehouse. Keep containers tightly sealed and protected from direct sunlight, excessive heat, and moisture. Avoid contact with strong oxidizing agents, strong acids, and strong bases. Prevent contamination during storage and handling. Store above the freezing point if necessary to maintain product fluidity. |
| Lead Time | 10 days |
PEG 200 Monoisostearate is a nonionic surfactant and emulsifying agent produced by esterification of polyethylene glycol and isostearic acid. It is widely used in cosmetics, personal care products, pharmaceuticals, and industrial formulations. It functions as an emulsifier, solubilizer, dispersing agent, and viscosity modifier. Common applications include creams, lotions, ointments, hair care products, pharmaceutical formulations, textile auxiliaries, and specialty industrial emulsions.