Featured Products
Glycol & Glycol Ethers
We distribute glycols and glycol ethers used as solvents and process fluids across coatings, inks, adhesives, electronics, plastics manufacturing, cleaning products, and personal care.
Iodine & Iodine Derivatives
Your source for Iodine and Iodine Derivatives in the grades and specified purity you need.
Bromine and Bromine Derivatives
Looking for Bromine and Bromine Derivatives? We've have you and your plant covered with the grades and specifications your plant needs to keep manufacturing running smoothly.
Glycol & Glycol Ethers
We distribute glycols and glycol ethers used as solvents and process fluids across coatings, inks, adhesives, electronics, plastics manufacturing, cleaning products, and personal care.
Iodine & Iodine Derivatives
Your source for Iodine and Iodine Derivatives in the grades and specified purity you need.
Bromine and Bromine Derivatives
Looking for Bromine and Bromine Derivatives? We've have you and your plant covered with the grades and specifications your plant needs to keep manufacturing running smoothly.
News
Practical information & tips to help you select the right chemicals for your industrial manufacturing needs
Triethanolamine (TEA) is a highly versatile industrial chemical used across industries including cosmetics, personal care, metalworking fluids, cement production, industrial cleaning, textiles, agriculture, and specialty chemical manufacturing.
Selecting the right bulk triethanolamine (TEA) supplier is one of the most important procurement decisions manufacturers can make. TEA is widely used in cosmetics, industrial manufacturing, metalworking fluids, cement additives, cleaning products, and specialty chemical formulations.
Citric acid is one of the most widely used organic acids across the United States and global manufacturing markets. From food and beverage production to pharmaceuticals, cleaning products, cosmetics, and industrial applications, citric acid plays a critical role in maintaining product quality, stability, preservation, and performance.
Citric acid is one of the most important and widely used specialty ingredients across global manufacturing industries. From food and beverage production to pharmaceuticals, industrial cleaning, cosmetics, water treatment, and chemical processing, citric acid plays a critical role in maintaining product quality, pH stability, preservation, and overall manufacturing performance.
Bromine is a highly versatile industrial chemical used across numerous industries including oil and gas, water treatment, flame retardant manufacturing, pharmaceuticals, agriculture, and specialty chemical production. Because bromine compounds play such an important role in industrial processes and product performance, manufacturers and procurement teams require reliable bulk supply solutions that provide consistent quality, safe handling, and dependable logistics.
Choosing the right bulk bromine supplier is one of the most important decisions industrial manufacturers and procurement teams can make. Bromine is a highly specialized chemical used in critical applications such as oilfield completion fluids, flame retardants, water treatment systems, pharmaceuticals, and specialty manufacturing.
Triethanolamine (TEA) is one of the most widely used specialty chemicals across industrial manufacturing, personal care, metalworking, agriculture, textiles, and cleaning product formulations.
Monoethanolamine (MEA) is one of the most widely used amines in industrial manufacturing and chemical processing. As a multifunctional compound, MEA plays a critical role in industries such as oil and gas, detergents, agriculture, pharmaceuticals, textiles, personal care, and chemical manufacturing.
Testimonials
"I appreciate Rock Chemicals Inc.’s responsive service and quick turnaround for each order we place."
Rock Chemicals Inc. Is our go to chemical supplier. If we have a question or special request Armon and his team are quick to respond. Their products are top shelf and prices are competitive and typically lower than other suppliers. You won’t be disappointed adding them to your list of suppliers.
“Rock chemicals, Inc. has been a dependable partner who always provides fast and accurate information as needed. The deliveries arrive on time as promised.”
“They usually have the best price but always the best service.”
Product of the Month
Industrial Applications
Propylene Glycol (1,2-Propanediol) is a versatile industrial solvent and intermediate used across a wide range of applications. In the paints, dyes, coatings, adhesives, sealants, and elastomers (CASE) industries, it functions as a solvent, humectant, and viscosity control agent, helping to improve flow, application properties, and formulation stability. Its miscibility with water and many polar organic solvents makes it well suited for waterborne coatings and dye formulations. Propylene Glycol is also widely used in industrial manufacturing as an antifreeze component, heat transfer fluid, and cryoprotectant for temperature-sensitive materials such as proteins, enzymes, and biological samples. In addition, it serves as a solvent and carrier in chemical processing, resins, inks, cleaners, and functional fluids, where its low volatility and hygroscopic nature help maintain moisture balance and prevent drying. Propylene Glycol has antimicrobial properties, and it is commonly used in food, beverages, and cosmetics to improve texture and preserve drug formulations.
Physical Properties
Propylene Glycol is a clear, colorless, viscous liquid that is nearly odorless and highly hygroscopic. It is a polyvalent alkanol that is chiral at the C2 carbon and is completely miscible with water as well as many polar organic solvents. The compound exhibits good thermal stability under normal conditions, though it becomes sensitive to oxidation at high temperatures. Propylene Glycol has a relatively high boiling point, low vapor pressure, and moderate viscosity, contributing to its effectiveness as a solvent, humectant, and stabilizing agent in industrial formulations. Its hygroscopic nature allows it to retain moisture, while its chemical stability and compatibility with a wide range of materials make it suitable for use in coatings, fluids, and chemical systems.
Grade
- Industrial
- Injectable
- USP
- Ph.Eur
- BP
- IP
- CDMF
- DMF
- Solvent
Other Names
- 1,2 Propanediol
- Propane-1,2-diol (IUPAC)
- 1,2 propylene Glycol
- 1,2-Dihydroxypropane
- E 1520
- Monopropylene Glycol
Form
- Liquid
Abbreviations
- PG
- PGI