Skip to content
Tanker truck on a highway with clear blue sky
Ariel image of railcars on a ship in the ocean. Rock Chemicals Inc. is an international supplier and distributor of chemicals.
Tall glass building with mirror windows made with Silver Nitrate.
Metals product category. Silver product icon.
Silver Nitrate
Auto mechanic refills refrigerant in car AC system.
Glycols and Glycol Ethers product category.
Propylene Glycol (1,2-Propanediol)
MRI imaging of a brain using contrast made with Iodine.
Iodine & Iodine Derivatives product category.
Iodine (DEA List I Permit Required)
High-tech stainless steel industrial processing tank control panel in pharmaceutical factory that uses Ethyl Bromide in manufacturing.
Bromine and Bromine Derivatives product category.
Ethyl Bromide
CNC plasma cutter machine big metal - uses Hydrobromic Acid.
Bromine and Bromine Derivatives product category.
Hydrobromic Acid Solutions
Woman using moisturizer made with Glycerin from a container.
Beauty and Personal Care product category.
Glycerin
Button cell battery made with Silver Oxide.
Metals product category. Silver product icon.
Silver(I) Oxide
Factory making LCD screens using Potassium Iodide.
Iodine & Iodine Derivatives product category.
Potassium Iodide
Sample of Bromine in a tube encased in a clear plastic cube with periodic element labeling.
Bromine and Bromine Derivatives product category.
Bromine
Livestock eating feed made with Copper Carbonate from a trough.
Copper product icon.
Copper Carbonate
Worker spraying a fertilizer made with Phosphoric Acid onto plants.
Phosphates product category.
Phosphoric Acid
Arial view of Wastewater Treatment plant which uses Zinc Sulfate.
Zinc product icon.
Zinc Sulfate Solution
Short Lead Times

Glycol & Glycol Ethers

Periodic chart element icon of Iodine.
Bulk or Semi-Bulk

Iodine & Iodine Derivatives

Bromine and Bromine Derivatives product category.
Superior Customer Service

Bromine and Bromine Derivatives

Short Lead Times

Glycol & Glycol Ethers

Periodic chart element icon of Iodine.
Bulk or Semi-Bulk

Iodine & Iodine Derivatives

Bromine and Bromine Derivatives product category.
Superior Customer Service

Bromine and Bromine Derivatives

What makes our customer service different?
How do we support safe, compliant chemical delivery?
How do we build partnerships that stay strategic as your needs change?
Reclaimed and Remanufactured Chemicals: Specifications, Qualification and Sustainability Benefits
5 min read
Reclaimed and Remanufactured Chemicals: Specifications, Qualification and Sustainability Benefits

For many industrial processes, the question isn't only "where can I buy this chemical?" but "does it have to be virgin material?" Reclaimed and remanufactured chemicals are recovered, purified or reprocessed from secondary chemical streams so they can be reused in approved industrial applications. Used with the right specification and qualification process, they can give buyers another sourcing option and support resource-efficiency goals. This guide explains how they differ from virgin material, how to qualify them, and where they fit.

Chemical Documentation FAQ: SDS, CoA, TDS, Spec Sheets, Kosher/Halal Letters and Traceability
5 min read
Chemical Documentation FAQ: SDS, CoA, TDS, Spec Sheets, Kosher/Halal Letters and Traceability

Before a new chemical source is approved, quality, regulatory and EHS teams usually want paperwork, and the acronyms pile up fast: SDS, CoA, TDS, spec sheets, kosher and halal certificates, allergen statements. This guide explains what the most common chemical documentation types are, what each one tells you, and when to ask for it, so you can collect the right documents early in the chemical purchasing process.

What to Include in a Chemical RFQ: CAS, Grade, Volume, Packaging, Incoterms and Documents
6 min read
What to Include in a Chemical RFQ: CAS, Grade, Volume, Packaging, Incoterms and Documents

A chemical quote is only as accurate as the request behind it. If an RFQ says "price for 5,000 lbs of glycol," the supplier has to guess the exact chemical, grade, packaging, destination and timing, and each guess can change the price, the lead time or whether the product is even suitable. This checklist covers what to include in a chemical RFQ so you get a faster, more accurate quote you can actually compare.

Semi-Bulk vs. Bulk Chemical Packaging: Drums, IBC Totes, Tank Trucks and Railcars Explained
6 min read
Semi-Bulk vs. Bulk Chemical Packaging: Drums, IBC Totes, Tank Trucks and Railcars Explained

Choosing a package is one of the first decisions in any bulk chemical purchase, and it affects more than the freight bill. The container you pick decides how much you store on site, how you unload and transfer the product, how much packaging you have to handle afterward, and how often you have to reorder. This guide explains the main semi-bulk and bulk chemical packaging options (drums, IBC totes, tank trucks and railcars) and the trade-offs procurement and operations teams should weigh before they request a quote.

What Is Reclaimed Methanol? Industrial Uses, Specifications and Sourcing Considerations
3 min read
What Is Reclaimed Methanol? Industrial Uses, Specifications and Sourcing Considerations

Methanol is used throughout industrial manufacturing as a solvent, chemical feedstock, and process material.

While virgin methanol is widely available, certain industrial processes may also be able to use properly specified reclaimed methanol.

Reclaimed Isopropyl Alcohol for Industrial Cleaning, Coatings, Inks and Manufacturing
4 min read
Reclaimed Isopropyl Alcohol for Industrial Cleaning, Coatings, Inks and Manufacturing

Isopropyl alcohol is widely used as an industrial solvent because it can serve a variety of cleaning, processing, and formulation applications.

For manufacturers whose specifications permit remanufactured solvents, reclaimed isopropyl alcohol may provide an additional sourcing option.

Where to Buy Reclaimed Ethanol 190 Proof in Bulk for Industrial Use
3 min read
Where to Buy Reclaimed Ethanol 190 Proof in Bulk for Industrial Use

Industrial manufacturers searching for ethanol do not always require virgin material.

For applications where the specifications are appropriate, reclaimed ethanol 190 proof can provide manufacturers and processors with another industrial solvent sourcing option.

Reclaimed Ethanol vs. Virgin Ethanol: What Industrial Buyers Should Consider Before Purchasing
3 min read
Reclaimed Ethanol vs. Virgin Ethanol: What Industrial Buyers Should Consider Before Purchasing

Industrial ethanol buyers may have more than one sourcing option.

While some processes require a specific virgin or regulated-grade ethanol, other industrial applications may be able to use properly specified reclaimed ethanol.

Scott
Frank
Cathy
Erich