Polyethylene Glycol 4000 (PEG 4000) is a workhorse chemical, valued for its distinct physical and chemical characteristics that lend themselves to a multitude of applications. Understanding these properties is crucial for formulators and manufacturers seeking to leverage PEG 4000 effectively. NINGBO INNO PHARMCHEM CO.,LTD. is a trusted source for this versatile chemical, offering high-quality products that meet stringent industry standards.

Chemically, PEG 4000 is defined by its molecular structure HO(CH2CH20)nH, a linear polymer of ethylene oxide. Its average molecular weight, around 4000 daltons, dictates its physical form – typically white or yellowish flakes at room temperature. This solid form, along with its melting point of approximately 55°C, makes it convenient for handling and incorporation into various formulations. The pH of PEG 4000 solutions is generally neutral, contributing to its compatibility with a wide range of other substances.

One of the most significant attributes of PEG 4000 is its solubility profile. It readily dissolves in water, alcohols, and many aromatic solvents, which is a key advantage in its use as a solvent and dispersant. Conversely, it is insoluble in aliphatic hydrocarbons and petroleum fractions. This selective solubility is exploited in processes where precise separation or mixing is required. For businesses looking to purchase industrial chemicals, understanding this solubility is fundamental to ensuring effective formulation design.

The thermal stability of PEG 4000 under anaerobic conditions adds to its utility, allowing it to withstand processing temperatures without significant degradation. While hygroscopic, meaning it attracts moisture from the air, this property can be managed with proper storage. Keeping the material tightly sealed in a dry environment is essential to prevent clumping and maintain its physical integrity. NINGBO INNO PHARMCHEM CO.,LTD. emphasizes the importance of proper handling to ensure the consistent performance of their PEG 4000 supply.

Industrially, PEG 4000 serves various roles. It functions as a plasticizer, imparting flexibility to polymers, and as a lubricant and mold release agent in the rubber industry, reducing friction and wear during manufacturing. Its use as a dispersant is vital in the production of pigments and pesticides, ensuring uniform distribution of particles. In the textile sector, it acts as a finishing agent. These applications highlight the broad industrial significance of PEG 4000. Sourcing reliable PEG 4000 from NINGBO INNO PHARMCHEM CO.,LTD. ensures that manufacturers have access to a chemical that can enhance product performance and process efficiency.

The shelf life of PEG 4000, when stored correctly, is substantial, typically at least two years. This longevity is a critical factor for inventory management and long-term production planning. For any entity requiring a dependable supply of this multifaceted chemical, NINGBO INNO PHARMCHEM CO.,LTD. offers not just the product but also the assurance of quality and consistency, making it an ideal partner for industrial chemical procurement.