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
Whether your company is evaluating a new formulation, qualifying an additional source, or preparing to scale an existing product, Rock Chemicals can discuss product specifications, bulk availability, quantities, logistics, and recurring supply requirements.
Relying on a single raw-material supplier can simplify procurement, but it can also create a single point of failure.
For manufacturers using Choline Chloride 70% in commercial oilfield chemical formulations, there are several situations where qualifying a second source may make sense.
Not every oilfield chemical brand manufactures every product within its own facility.
Toll blenders and private-label chemical manufacturers play an important role in producing clay stabilizers, drilling additives, stimulation chemicals, and other oilfield products for third-party brands.
Accurate raw-material forecasting can help oilfield chemical manufacturers reduce emergency purchasing, excessive inventory, and production interruptions.
For manufacturers regularly consuming Choline Chloride 70%, forecasting should connect finished-product demand with raw-material requirements.
Requesting a quote for an industrial chemical involves more than asking, “How much does Choline Chloride 70% cost?”
The information provided to the supplier can affect pricing, freight, availability, lead time, and the overall accuracy of the quote.
When procurement teams compare clay stabilizers, the first number they often see is the raw-material price.
But price per pound, gallon, or tote does not necessarily reveal which clay stabilizer is the most economical option.
Clay-control chemistry does not operate in isolation.
The same clay stabilizer can perform differently depending on the formation, water source, salinity, pH, temperature, and other chemicals present in the fluid system.
Clay-related formation damage is often discussed as a single problem, but two different processes can affect oil and gas operations: clay swelling and fines migration.
Understanding the difference is important for drilling-fluid manufacturers, stimulation companies, completion-fluid formulators, and other oilfield chemical professionals because the appropriate clay-control strategy depends on the specific problem occurring within the formation.
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