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EINECS number：500-038-2
1,2-ethanediol,homopolymer;2-ethanediyl),.alpha.-hydro-.omega.-hydroxy-Poly(oxy-1;AlcoxE160;AlcoxE30;alcoxe30;Poly(ethyleneoxide),approx.M.W.600,000;Poly(ethyleneoxide),approx.M.W.200,000;Poly(ethyleneoxide),approx.M.W.900,000
Polymers;OptimizationReagents;ProteinStructuralAnalysis;X-RayCrystallography;HomobifunctionalPEG;Poly(ethyleneglycol)(PEG)andPEGSolutions;Poly(ethyleneglycol)andOligo(ethyleneglycol);EssentialChemicals;InorganicSalts;MaterialsScience;Poly(ethyleneglycol)andPoly(ethyleneoxide);PolymerScience;ResearchEssentials;SolutionsandReagents;polymerideMol文件25322-68-3.mol
Polyethylene glycol is referred to as "PEG". Ethylene glycol is a polymer compound formed by intermolecular dehydration condensation. Chemical formula HOCH2(CH2OCH2)nCH2OH. where n is greater than 4. The average molecular weight is 200~7000. The number after commercial polyethylene glycol indicates the average molecular weight. For example, polyethylene glycol-400 means that the average molecular weight of this commercial polyethylene glycol is about 400.
| Melting point | 64-66°C |
| Boiling Point | >250°C |
| Density | 1.27 g/mL at 25 °C |
| Vapor pressure | <0.01 mmHg (20 °C) |
| Refractive Index | n20/D 1.571 (lit) |
| Flash point | 270 degrees Celsius |
| Solubility | H2O: 50 mg/mL, transparent, colorless |
| Form | Waxy solid |
| Storage conditions | 2-8°C |
| color | White to light yellow |
| Proportion | Miscible |
| pH | 5.5-7.0 (25°C, 50mg/mL H2O solution) |
| LogP | -0.698 at 25°C |
| Sensitivity | Moisture absorption |
| Maximum (λmax) | λ: 260 nm Max: 0.6 X: 280 nm Max: 0.3 |
| Merck | 14,7568 |
| stability | Stable. Incompatible with strong oxidizing agents. |
| LogP | -0.698 at 25°C |
| NIST Chemical Substance Information | Polyethylene glycol (25322-68-3) |
| EPA Chemical Substance Information | Polyethylene glycol (25322-68-3) |
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