Product Description – Polyethylene Glycol 400 (PEG 400)
Polyethylene Glycol 400 (PEG 400) is a premium-quality polyether compound widely used in pharmaceutical, laboratory, cosmetic, biotechnology, and industrial applications. It is a clear, colorless, odorless, and viscous liquid with excellent solubility in water and many organic solvents. PEG 400 belongs to the polyethylene glycol family, which includes different molecular weight grades such as PEG 200, PEG 300, PEG 600, PEG 1500, PEG 4000, and PEG 6000. Among these, PEG 400 is one of the most commonly used grades because of its outstanding chemical stability, low toxicity, and versatility.
PEG 400 functions as a solvent, lubricant, plasticizer, dispersing agent, emulsifier, humectant, and pharmaceutical excipient. It is widely used in research laboratories, pharmaceutical manufacturing, cosmetic formulations, food processing, biotechnology, and chemical industries. Its excellent compatibility with numerous active ingredients and chemicals makes it an essential material for scientific research and industrial production.
Manufactured to high-quality laboratory standards, Polyethylene Glycol 400 provides consistent purity and reliable performance, making it suitable for analytical laboratories, universities, hospitals, research institutes, pharmaceutical companies, and industrial quality control laboratories throughout Bangladesh.
Key Features
- High-purity Polyethylene Glycol 400 (PEG 400)
- Chemical Formula: HO(C₂H₄O)nH
- CAS Number: 25322-68-3
- Molecular Weight: 380–420 g/mol
- Clear, colorless, odorless viscous liquid
- Excellent solubility in water and many organic solvents
- Chemically stable under recommended storage conditions
- Low toxicity and biocompatible
- Suitable for pharmaceutical, laboratory, cosmetic, and industrial applications
- Long shelf life with proper storage

Applications
Pharmaceutical Industry
PEG 400 is extensively used as a pharmaceutical excipient, solvent, plasticizer, and carrier in oral, topical, and injectable formulations. It improves drug solubility, enhances formulation stability, and serves as an important ingredient in ointments, creams, capsules, syrups, and liquid medicines. It is also used in certain laxative formulations and pharmaceutical preparations.
Laboratory & Research
In analytical and research laboratories, PEG 400 is used as a solvent, reagent carrier, dispersing medium, and sample preparation chemical. It is widely applied in chemistry, molecular biology, biotechnology, microbiology, and pharmaceutical research because of its chemical compatibility and stability.
Cosmetic & Personal Care Products
PEG 400 is a common ingredient in creams, lotions, moisturizers, shampoos, conditioners, soaps, facial cleansers, and skincare formulations. It functions as a humectant, emulsifier, moisturizer, solvent, and viscosity modifier, helping improve product consistency and skin feel.
Industrial Applications
Industries use PEG 400 as a lubricant, plasticizer, anti-foaming agent, dispersant, release agent, heat transfer fluid, and processing aid. It is also widely utilized in resin manufacturing, textile processing, rubber production, coatings, inks, adhesives, and polymer processing.
Biotechnology & Chemical Research
Researchers use PEG 400 in biochemical experiments, enzyme studies, protein stabilization, molecular biology techniques, and chemical synthesis. Its excellent solvent properties make it valuable for various scientific applications.
Food Processing
Certain grades of polyethylene glycol are approved for specific food-processing applications where regulatory standards permit. It is commonly used as a processing aid and formulation ingredient depending on the required specifications.
Advantages of Polyethylene Glycol 400
Polyethylene Glycol 400 offers numerous advantages that make it one of the most preferred laboratory and industrial chemicals. It possesses excellent chemical stability, outstanding solvent capability, low volatility, and high compatibility with many pharmaceutical and industrial ingredients.
Its low toxicity and high purity ensure safe handling under recommended laboratory conditions. PEG 400 also provides excellent moisture retention, making it ideal for cosmetic and pharmaceutical formulations requiring consistent viscosity and stability.
Because of its versatility, laboratories and manufacturers can use the same product across multiple applications, reducing inventory requirements while maintaining reliable performance.
Storage & Handling
Store Polyethylene Glycol 400 in a tightly closed original container in a cool, dry, and well-ventilated area away from direct sunlight, excessive heat, and incompatible chemicals. Keep the container tightly sealed to prevent contamination. Laboratory personnel should follow standard chemical handling procedures and wear appropriate protective equipment whenever necessary.
Polyethylene Glycol 400 Price in Bangladesh
The price of Polyethylene Glycol 400 (PEG 400) 500ml in Bangladesh depends on the brand, packaging size, purity, and market availability. M/S Bright Scientific Co. offers genuine laboratory-grade PEG 400 at competitive prices for pharmaceutical companies, universities, hospitals, research laboratories, industrial organizations, and educational institutions. Contact us for the latest price, stock availability, and bulk order discounts.
Why Buy from M/S Bright Scientific Co.?
M/S Bright Scientific Co. is a trusted supplier of laboratory chemicals, scientific instruments, laboratory glassware, and research materials in Bangladesh. We are committed to supplying authentic products from internationally recognized manufacturers while providing professional customer service and dependable nationwide delivery.
We Offer
- Genuine laboratory-grade chemicals
- Products from trusted international brands
- Competitive prices and institutional discounts
- Fast and secure delivery across Bangladesh
- Bulk supply for pharmaceutical and industrial customers
- Professional technical support
- Reliable after-sales service
- Safe packaging and prompt order processing
Whether you require a single bottle or bulk quantities, M/S Bright Scientific Co. is your dependable source for high-quality Polyethylene Glycol 400 and other laboratory chemicals.
Contact Information
M/S Bright Scientific Co.
Phone: +880 1711285976
For the latest price, product availability, technical specifications, or bulk purchase inquiries regarding Polyethylene Glycol 400 (PEG 400) 500ml, please contact our experienced sales team. We are committed to providing high-quality laboratory chemicals and scientific solutions to customers throughout Bangladesh.









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