PEG 300–400–600 – Polyethylene Glycol Series
🧪 CAS Number: 25322-68-3
🌟 Product Description
PEG (Polyethylene Glycol) refers to water-soluble polyethers produced in different molecular weights. PEG 300, 400, and 600 represent the low molecular weight liquid forms. These colorless, odorless, viscous products are widely used in pharmaceuticals, cosmetics, food, textiles, and industrial chemistry as versatile solvents, humectants, softeners, and carriers.
🏭 Applications
💊 Solvent and carrier in pharmaceuticals
🧴 Cosmetics and personal care products
🍽️ Food additives and coatings
👕 Textile processing and softeners
⚗️ Carrier in chemical reactions
📊 Physical & Chemical Properties
Appearance: Colorless, viscous liquid
Odor: Odorless
Molecular Formula: H(OCH2CH2)nOH
Molecular Weight: PEG 300 (~285–315 g/mol), PEG 400 (~380–420 g/mol), PEG 600 (~570–630 g/mol)
Density (20 °C): ~1.12–1.14 g/cm³
Solubility: Completely soluble in water and many organic solvents
⚠️ Storage & Safety
PEG series products are generally considered safe. Store in tightly closed containers in cool, dry areas. Protect from direct sunlight and contamination.
🔑 Keywords
PEG 300, PEG 400, PEG 600, polyethylene glycol, CAS 25322-68-3, solvent, humectant, carrier agent
📛 Other Names
Polyethylene Oxide, Polyethylene Oxide Glycol