Description
Specifications Table
Product Name – Polyethylene Glycol 400 SQ
Quantity/Pack Size – Available in 25 LT and 500 ML
Form – Clear Viscous Liquid
Grade – SQ (Standard/Synthesis Quality)
Application – Solvent, Humectant, Pharmaceutical Aid, Chemical Reagent
Product Overview
Polyethylene Glycol 400 SQ is a highly versatile and essential compound widely utilized across various scientific disciplines, including chemistry, biology, and materials science. As a synthetic polymer, it presents as a clear, colorless, and viscous liquid, renowned for its excellent water solubility and non-toxic profile. These characteristics make it a preferred choice for a multitude of laboratory and industrial processes. Its unique chemical properties enable it to function effectively as a powerful solvent for a wide range of substances, a reliable humectant to retain moisture, an efficient dispersant, and a flexible plasticizer. The “400” in its name indicates its average molecular weight, a critical factor influencing its physical characteristics and determining its suitability for specific applications. Scientists, researchers, and educators depend on its consistent quality and purity for reproducible experimental outcomes, vital for accurate data and reliable results. This particular grade, designated “SQ,” signifies a standard of quality meticulously prepared for general laboratory synthesis, research, and formulation development, ensuring high purity and dependable performance in diverse settings. It plays a crucial role in preparing stable solutions, modifying surface properties, and acting as a robust base for various formulations. Its low volatility, chemical stability, and biocompatibility contribute to its broad appeal, providing a reliable agent for a wide array of chemical, biochemical, and physical investigations. The compound’s ability to facilitate solubility for both polar and non-polar substances makes it an invaluable asset in complex solution preparation, enhancing reaction efficiency and product integrity. This product is manufactured under stringent quality control standards, guaranteeing its suitability for demanding laboratory environments where precision, integrity, and safety are paramount for advancing scientific understanding.
FAQs
1. What are the primary applications of Polyethylene Glycol 400 SQ in a laboratory setting?
Polyethylene Glycol 400 SQ is primarily used as a solvent, a humectant, and a dispersant. It is valuable in various chemical synthesis procedures, cell culture media preparation, and as a component in pharmaceutical formulations and cosmetic research.
2. Is Polyethylene Glycol 400 SQ compatible with most organic solvents?
While PEG 400 is highly miscible with water, ethanol, and acetone, its compatibility with other specific organic solvents can vary. It is generally compatible with many polar organic solvents but less so with non-polar ones. Always test compatibility for your specific application.
3. Are there any common alternatives to Polyethylene Glycol 400 SQ for similar applications?
Alternatives to Polyethylene Glycol 400 SQ might include other grades of PEG (e.g., PEG 200, PEG 600, PEG 8000 depending on desired viscosity and molecular weight), glycerin, or propylene glycol, particularly for humectant or solvent applications. The choice depends on the specific requirement of the experiment.
4. What are the recommended storage conditions for Polyethylene Glycol 400 SQ?
Polyethylene Glycol 400 SQ should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible materials. Freezing is not necessary, but protection from extreme temperatures is advisable to maintain its integrity.
5. How can I ensure the quality and purity of the Polyethylene Glycol 400 SQ I purchase?
To ensure quality and purity, always purchase Polyethylene Glycol 400 SQ from reputable suppliers that provide Certificates of Analysis (CoA) for their products. These documents confirm the grade, purity, and adherence to specified standards, which is crucial for reliable lab results.
