Polyethylene Glycol 4000, PEG 4000

Polyethylene Glycol 4000 is a water-soluble compound used as a lubricating agent and surfactant in various industries. It can also be used as a coating for pills and capsules, providing smooth and easy swallowing. With its high molecular weight and biocompatibility, it is a safe and effective choice for various applications.

Other Names:

• Polyethylene Glycol 4000
• PEG 4,000
• Carbowax™ 4000 (a brand name)

CAS Number: 25322-68-3

Chemical Formula: (C₂H₄O)n, where n is an average value typically around 100

Average Molar Mass: Approximately 4,000 g/mol

Density: The density of PEG 4000 may vary with temperature but is typically around 1.12 g/cm³ at 25°C.

Appearance: PEG 4000 is a white, waxy solid at room temperature.

Odor: Odorless

Applications and Uses:

• Pharmaceuticals: PEG 4000 is used in pharmaceutical formulations as a solubilizing agent, lubricant, and excipient in various dosage forms, including tablets, ointments, and suppositories.
• Cosmetics and Personal Care: It is used in cosmetics and personal care products as a thickening agent, humectant, and emollient.
• Food Industry: PEG 4000 is employed as a food additive, emulsifier, and stabilizer in certain food products.
• Industrial Applications: It is used in various industrial applications, such as in the manufacture of plastics, adhesives, and lubricants.
• Laboratory Research: PEG 4000 is used in laboratory settings for various applications, including protein crystallization and as a non-toxic antifreeze.

Storage and Handling Guidelines:

• Store PEG 4000 in a cool, dry place away from direct sunlight and heat sources.
• Keep containers tightly sealed to prevent moisture absorption and contamination.
• PEG 4000 is hygroscopic (absorbs moisture), so it should be protected from humidity.
• When handling, use appropriate personal protective equipment (PPE), such as gloves and safety glasses.
• Ensure good ventilation in areas where PEG 4000 is handled.

Safety Information:

• PEG 4000 is generally considered safe for its intended uses in pharmaceuticals, cosmetics, and food when used in accordance with regulations and guidelines.
• It is non-toxic and non-irritating to the skin and eyes.
• In rare cases, individuals with specific sensitivities may experience skin irritation. In such cases, discontinue use and wash the affected area with water.
• PEG 4000 is not intended for ingestion in its pure form.
• Follow safety data sheet (SDS) provided by the manufacturer or supplier for detailed safety information and first-aid measures.

Technical Support:

• For technical inquiries and product information, please contact us at labchemicals.cleansol@gmail.com