Propylene Glycol (PG), identified by CAS number 57-55-6, is a chemical compound that plays a pivotal role in various sectors, most notably the food and pharmaceutical industries. For scientists and formulation specialists, understanding the nuances of PG is crucial for product development and efficacy. As a leading manufacturer and supplier of high-purity Propylene Glycol from China, we aim to provide insights into its extensive applications and the benefits of partnering with a reliable source.

Propylene Glycol is a synthetic diol, a colorless, viscous liquid with a virtually odorless profile and a faintly sweet taste. Its high solubility in water and other polar solvents, combined with its hygroscopic nature, makes it an exceptionally versatile ingredient. These characteristics are particularly valuable in applications requiring precise formulation and stability.

Propylene Glycol in the Food Industry

In the food sector, Propylene Glycol is recognized for its multiple functional properties. It is frequently employed as:

• Humectant: PG helps food products retain moisture, preventing them from drying out and preserving their texture and freshness. This is vital for items like baked goods, confectionery, and certain processed meats.
• Solvent: It acts as an excellent solvent for food colorings, flavorings, and other additives, ensuring their even dispersion throughout the product for consistent taste and appearance.
• Emulsifier/Stabilizer: PG aids in stabilizing mixtures of oil and water, preventing separation and maintaining the desired consistency in products like salad dressings and sauces.

Its designation as GRAS (Generally Recognized As Safe) by regulatory bodies like the FDA underscores its safety when used within specified limits in food applications.

Propylene Glycol in Pharmaceuticals and Cosmetics

The pharmaceutical and cosmetic industries also heavily rely on Propylene Glycol, particularly the USP (United States Pharmacopeia) grade, which guarantees exceptional purity.

• Pharmaceuticals: PG serves as a solvent and vehicle for a wide range of pharmaceutical preparations, including oral, injectable, and topical medications. Its ability to dissolve poorly water-soluble active pharmaceutical ingredients (APIs) makes it indispensable.
• Cosmetics: In cosmetics and personal care products, PG is valued for its moisturizing and solvent properties. It is found in lotions, creams, shampoos, and toothpaste, contributing to product texture and efficacy.

Sourcing from China: Quality and Reliability

As a dedicated manufacturer and supplier, we offer Propylene Glycol with a purity of ≥99.5% and a substantial production capacity of over 50,000 Tons/Year. This scale ensures a consistent and reliable supply chain, critical for businesses dependent on this chemical. Our competitive pricing, coupled with stringent quality control measures, makes us an ideal partner for companies seeking efficient and dependable sourcing of Propylene Glycol, both for food-grade and USP-grade requirements. Understanding the precise needs, from 'buy Propylene Glycol' queries to specific 'CAS 57-55-6' sourcing, allows us to provide tailored solutions.

For formulators and procurement specialists, securing a consistent supply of high-quality Propylene Glycol is fundamental. Partnering with a capable Chinese manufacturer like us ensures access to a vital chemical that supports innovation and product excellence in the food and pharmaceutical sectors.