25322-68-3 | Polyethylene Glycol (PEG, PEG 6000)

Chemical type

• Osmotic stress–inducing polymer
• Water-soluble polyether

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• Polyether compound
• Hydrophilic polymer

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Key properties

• High molecular weight, non-ionic polymer
• Does not readily penetrate plant cell membranes
• Creates osmotic pressure without ionic toxicity
• Chemically inert and biologically stable

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• Biocompatible
• Reduces cytotoxicity of cationic carriers
• Enhances circulation time
• Provides stealth effect against immune recognition

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• Induction of controlled osmotic (water-deficit) stress in plants
• Mimics drought-like conditions without introducing ions
• Comparative stressor against ionic stress (NaCl)

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• PEGylation of PEI to reduce toxicity
• Improves stability and biodistribution of nanoparticles
• Used in hybrid carriers (e.g., PEI-PEG-PCL)

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Classification by use

• Chemicals used to induce osmotic stress
• Chemicals used in plant physiology experiments
• Chemicals used as abiotic stress simulators

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• Polymers used for biocompatibility enhancement
• Polymers used in stealth nanoparticle design

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A trustworthy factory and manufacturer

Demei Chemical Technology Co., Ltd. is a modern high-tech enterprise integrating R&D, production, and sales. The company's founder, Dr. Arron, born in April 1975, graduated from the School of Mechanical Engineering at Yanshan University and has been engaged in research in the fields of mechanical engineering and chemical synthesis for many years. The company's products focus on the chemical industry, primarily dealing in chemical raw materials and chemical production machinery and equipment. With its strong technical capabilities, advanced production equipment, and strict quality management system, the company has earned the trust of customers worldwide.

1. [1] Ca2+ and ROS signalling exhibit divergent root-specific dynamics in Arabidopsis responses to abiotic stress and PAMPs, Current Plant Biology, Volume 45, January 2026, 100571
2. [2] Polyethylenimine Carriers for Drug and Gene Delivery, Polymers, 2025, 17(15), 2150