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Send EmailPolyethylene Glycol, PEG, PEG200, PEG300, PEG400, PEG600, PEG1000, PEG1500, PEG4000, PEG6000, PEG8000, PEG10000, 25322-68-3
Polyethylene Glycol (PEG) – Technical Specifications
| Property | Description |
|---|---|
| Chemical Name | Polyethylene Glycol (PEG) |
| CAS Number | 25322-68-3 (general for PEG series) |
| Chemical Formula | HO–(CH₂CH₂O)ₙ–H |
| Physical Form | Liquid, semi-solid, or solid (depends on MW) |
| Solubility | Fully soluble in water and many organic solvents |
| pH (1% solution) | ~5.0–7.0 (neutral) |
| Toxicity | Low; FDA-approved, biocompatible |
PEG Grades & Molecular Weight Versions
| PEG Grade | Approx. MW | Physical Form | Typical Use Cases |
|---|---|---|---|
| PEG 200–600 | Low MW | Clear viscous liquid | Cosmetics, textiles, rubber, pharmaceuticals |
| PEG 1000–2000 | Medium MW | Semi-solid gel | Food additives, pharma carriers |
| PEG 3000–6000 | High MW | White powder or flakes | Tablet binders, plastic additives |
| PEG 8000+ | Very high MW | Solid | Hydrogels, controlled-release systems |
Functional Applications by Sector
| Sector | Function / Application |
|---|---|
| Cosmetics | Humectant, carrier, viscosity modifier |
| Pharmaceuticals | Tablet binder, injectable carrier, PEGylation agent |
| Food | Emulsifier, coating agent, carrier (E1521) |
| Textile | Softener, moisture retainer, process aid |
| Plastics/Rubber | Mold release agent, antistatic additive |
| Biomedical | Hydrogel matrix, nanoparticle coating, drug delivery |
Alias-Free Naming Variants
| Name Variant | Notes |
|---|---|
| Polyethylene Glycol (PEG) | Standard technical name |
| Macrogol | INCI/pharmaceutical name |
| Carbowax | Trade name (Dow, Union Carbide) |
| Polyglykol / Polietilen Glikol | Turkish equivalents |
| E1521 | Food additive code |
| PEGylated / PEGylation | Refers to PEG-modified molecules |
PEG 200, 300, 400, 600, 800, 900, 1000, 1500, 4000, 6000, 8000, 10000 -->CAS: 25322-68-3
Molecular Formula: N/A PEG 300,400,600,1000,1500,4000,6000,8000
Names and Identifiers
| Name | Poly(ethylene glycol) |
| Synonyms | PEO PEG PEG 600 PEG 200 PEG 400 macrogol carbowax PEG 6000 PEG 8000 PEG 1000 Carmowax alcoxe30 Alcox E 30 Alcox E 160 Aquacide III PEG 200-8000 poly(oxyethylene) Polyethyleneglycol Polyethylene glycol PolyethyleneoxideMW Polyethylene Glycol Polyethylene glygcol Poly(ethylene oxide) Poly ethylene glycol Poly(ethylene glycol) Polyethylene glycol PEG Polyethylene glycol series 1,2-ethanediol,homopolymer Polyethylene Glycol 5000000 PEG 6000, MB Grade (1.12033) Ethylene glycol 8000 polymer Polyethylene glycol - 6000 grade Tri-(2,3-Dibromopropyl) Phosphate polyethylene oxide standard 511000 Poly(ethylene oxide),approx. M.W. 200,000 Poly(ethylene oxide),approx. M.W. 900,000 Poly(ethylene oxide),approx. M.W. 600,000 O-Methacryloxy(polyethyleneoxy)trimethylsilane 2-ethanediyl),.alpha.-hydro-.omega.-hydroxy-Poly(oxy-1 Polyethyleneoxidemonomethacryloxymonotrimethylsiloxyterminated |
| CAS | 25322-68-3 |
| EINECS | 500-038-2 |
Physico-chemical Properties
| Molecular Formula | N/A |
| Density | 1.27g/mLat 25°C |
| Melting Point | 64-66°C |
| Boling Point | >250°C |
| Flash Point | 270 °C |
| Water Solubility | Soluble in water. |
| Solubility | Slightly hygroscopic. It melts easily when heated. Soluble in water and ethanol |
| Vapor Presure | <0.01 mm Hg ( 20 °C) |
| Vapor Density | >1 (vs air) |
| Appearance | waxy solid |
| Specific Gravity | 1.128 |
| Color | White to very pale yellow |
| Maximum wavelength(λmax) | ['λ: 260 nm Amax: 0.6', , 'λ: 280 nm Amax: 0.3'] |
| Merck | 14,7568 |
| PH | 5.5-7.0 (25℃, 50mg/mL in H2O) |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Sensitive | Hygroscopic |
| Refractive Index | n20/D 1.469 |
| MDL | MFCD00081839 |
| Physical and Chemical Properties | Density 1.125 melting point -65°C refractive index 1.458-1.461 flash point 171°C |
| Use | Used as PVC lubricant, masterbatch additive, textile softener, pigment dispersant, etc |
Risk and Safety
| Risk Codes | R36/38 - Irritating to eyes and skin. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R33 - Danger of cumulative effects R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 3 |
| RTECS | TQ4110000 |
| FLUKA BRAND F CODES | 3-9 |
| TSCA | Yes |
| HS Code | 39072011 |
| Hazard Note | Harmful |
| Toxicity | LD50 orally in Rabbit: 28000 mg/kg LD50 dermal Rabbit > 20000 mg/kg |
BASF PRODUCTS:
- Pluriol® E 200 Polyethylene glycol 200 Liquid approx. 100 approx. 60–560
- Pluriol® E 300 300 Liquid approx. 100 approx. 85––
- Pluriol® E 400 400 Liquid approx. 100 approx. 110–260
- Pluriol® E 600 600 Liquid/Solid approx. 100 approx. 40 (50 °C) approx. 20 190
- Pluriol® E 600 S 600 Liquid approx. 100 approx. 40 (50 °C)–190
- Pluriol® E 1500 E 1500 Solid approx. 100 approx. 60 (75 °C) approx. 45 75
- Pluriol® E 1500 Flakes 1500 Flakes approx. 100 approx. 60 (75 °C) approx. 45
- Pluriol® E 3400 Flakes 3400 Flakes approx. 100 approx. 190 (75 °C) approx. 55 33
- Pluriol® E 4000 Flakes 4000 Flakes approx. 100 approx. 260 (75 °C) approx. 55 28
- Pluriol® E 4000 Powder EcoBalanced 4000 Flakes approx. 100 approx. 120 (99 °C) approx. 55 28
- Pluriol® E 4000 Powder 4000 Flakes approx. 100 approx. 120 (99 °C) approx. 55 28
- Pluriol® E 6000 Flakes 6000 Flakes approx. 100 approx. 600 (75 °C) approx. 60 19
- Pluriol® E 8000 Flakes 8000 Flakes approx. 100 approx. 130* (50 °C) approx. 63 13
- Pluriol® E 8000 E 8000 Solid approx. 100 approx. 800 (99 °C) approx. 64 13
- Pluriol® E 9000 Powder 9000 Powder approx. 100 approx. 260* (50 °C) approx. 65
- Pluriol® E 10000 10 000 Solid approx. 100 approx. 1300 (99 °C) approx. 65 11
