Propylene Glycol USP Grade 99.99% CAS 57-55-6

Core Characteristics: 

1. Industrial Raw Materials‌: A core raw material for unsaturated polyesters, epoxy resins, and polyurethane resins, accounting for 45% of total consumption. These unsaturated polyesters are widely used in surface coatings and reinforced plastics.
‌2. Food Industry: Listed as an approved food processing aid, it can be used as a solvent for flavorings, colorants, and preservatives; as a humectant and softener in pastries, bread, and packaged meats; as an anti-mold agent in noodles and fillings; and as a raw material for synthesizing propylene glycol fatty acid esters, which are food emulsifiers.
‌3. Cosmetics and Personal Care: In cosmetics, toothpaste, and soap, it is blended with glycerin or sorbitol to serve as a wetting agent and moisturizer; in hair dyes, it functions as a humectant and hair-conditioning agent.
‌4. Pharmaceutical Sector: As a pharmaceutical excipient, it serves as a solvent, softener, and excipient in ointments, liniments, and pills, and is commonly used as a drug carrier and solvent for granulated medications.
5. Other Applications: Used as an antifreeze agent, cellophane plasticizer, tobacco humectant, antifungal agent, fruit ripening and preservative, paint film-forming aid, and heat transfer medium; also commonly used as a substitute for ethanol and glycerin.

Chemical Properties:
It is chemically stable and can undergo characteristic polyol reactions such as esterification, etherification, and acetalization; it is resistant to oxidation and remains stable at room temperature; it is insensitive to acids and alkalis and exhibits strong resistance to hydrolysis.

Grades and Specifications: Food grade (≥99.9%), pharmaceutical grade (≥99.8%), industrial grade (≥99.5%); custom specifications available.

The product strictly complies with the GB/T 2961-2014 national standard, accompanied by a complete set of MSDS, commodity inspection reports, and hazardous packaging certificates, and meets EU REACH import and export requirements. Standard packaging includes 200 kg galvanized closed-top steel drums and 1,000 L IBC containers. For large volumes, bulk transport via tank containers is available. Storing and transporting the product in a sealed, light-protected environment effectively delays oxidation and discoloration. Supply is stable and ample, supporting full-container and consolidated shipments for international trade, and meeting global chemical procurement and custom fine chemical production needs.

Contact Us:

Email:cenke@cenkechem.com

Cenke chemical founded in 2016 and headquartered in D ong ying City, Shandong province .W e are a chemical trading company , focus on the global supply of industrial chemical products. Our business covers a wide range of products , including chemical raw materials, chemical intermediates, new and functional materials , serving customers across multiple industrial sectors.

Chemical raw materials form the foundation of our supply, supporting stable and large - scale industrial production. Chemical intermediates are supplied to meet the technical requirements of coatings, resins, pharmaceuticals, ag ro chemical, electronics and fine chemical manufacturing.

In parallel, we continue to develop and supply new materials that respond to evolving industrial and application - specific demands. Beyond product sourcing, we emphasize supply chain integration, quality control a nd logistics coordination .

With our own warehousing resources and port-adjacent storage facilities, we support flexible packaging options, including Iron drums,IBC drums, ISO TANK and bulk transportation.Today Cenke chemical serves partners in more than 60 countries and regions.For example, the Middle East, Africa, Europe, Southeast Asia, the United States, and the Indian subcontinent, among other major international markets.

We are committed to building long-term partnerships with our collaborators. We consistently deliver premium services, pledging to provide you with the finest experience. We contemplate the future with care, offering comprehensive support to our clients. We always have your best interests at heart, planning for the future!