potassium formate solution
CAS NO.: 590-29-4
Molecular Formula: HCOOK
Molecular Weight: 84.12 g/mol
Character: Clear and colorless aqueous solution with high water compatibility, adjustable concentration, low viscosity, and good low-temperature fluidity.
Usage: Used in drilling fluids, completion and workover brines, deicing and anti-icing liquids, industrial heat-transfer media, chemical processing, and high-density brine systems.
Package: 200 L drum, 1000 L IBC tank, ISO tank, or bulk tanker.
Storage: Keep the container sealed in a cool and ventilated area. Protect from contamination, excessive heat, freezing conditions outside the agreed specification, acids, and oxidizers.
- Product Description
Potassium Formate Solution for Industrial Applications | High-Performance Clear Brine Fluid
Shanxi Zhaoyi Chemical Co., Ltd. started in 1988. We make formate chemical products. Our production base covers 27,000 ㎡. The site follows a standard setup. Yearly output stays at 150,000 tons. More than 35 years of mature R&D and production experience backs our work. We supply potassium formate solution (CAS 590-29-4). It is a clear, colorless brine fluid with strong performance. You can set its density up to 1.57 g/cm³. It flows well at low temperatures. Viscosity is very low. It also holds up under heat. Our formulations can be customized. They fit tough working conditions. This covers HPHT drilling in oilfields. It also works for deicing infrastructure and industrial heat transfer systems. Global industrial clients get steady, reliable operational support.

Key Features & Benefits
Our this product beats traditional chloride brines and polymer-based fluids. Stability is higher. Safety is better too. It also works better with other materials. Common industry problems get solved. Equipment corrosion is one. Fluid thermal degradation and formation damage are others it helps with.
Stability Under High Heat
Even at 200°C and above, this formate solution keeps its chemical and rheological properties steady. Constant heat and pressure do not throw it off. Polymer fluids tend to break down under heat, and their performance fails. This one holds up over the long run. That makes it a good fit for deep wells and HPHT downhole work.
No Chloride At All & Low Corrosion
The formula carries no chloride, so stress corrosion cracking no longer threatens alloy tubulars. The same holds for precision downhole tools. Surface infrastructure is safe from it too. Repair and upkeep costs for that equipment drop. Strict international rules on environmental discharge are met as well.
Custom Concentration & Ready-to-Use
We build density and concentration formulas to match what each customer site needs. The mix arrives ready to use. No second mixing step on site. That saves a lot of construction preparation time. It also lowers the chance of mistakes from manual proportioning.
Shale & Formation Stabilization
Traditional KCl systems act in a different way. Active formate ions create a reliable osmotic pressure barrier that holds clay back. Clay cannot hydrate or expand. It also keeps the wellbore from collapsing and the stratum from loosening. In reactive shale formations, downhole wellbore integrity gets much better.

Technical Specifications
| Parameter | Specification |
|---|---|
| Chemical Formula | HCOOK |
| CAS Number | 590-29-4 |
| Molecular Weight | 84.12 g/mol |
| Appearance | Clear, colorless liquid |
| Density Range | Up to 1.57 g/cm³ |
| pH Value | 7.0 - 10.0 (10% solution) |
| Freezing Point | -50°C (eutectic concentration) |
| Viscosity | Low (4-8 cP at 20°C) |
| Solubility | Completely miscible with water |

Working Mechanism
This product is built with professional ionic interaction and freezing point depression technology. It fits many industrial settings and works through different mechanisms. In oilfield drilling, formate ions move into shale formations. There they build a stable osmotic barrier and pull water out of clay particles. This stops the stratum from swelling or collapsing. The wellbore stays fully stable.
For deicing and anti-icing jobs, it breaks apart the molecular structure of ice crystals. That brings the freezing point of water down. It still works well at -50°C, and it does not bring the corrosion problems that chloride salts cause. In industrial heat transfer and cooling systems, low viscosity keeps the fluid moving smoothly. Thermal stability is good too, so the fluid does not break down. Heat exchange stays effective for the long run, and the system saves energy.
Core Applications
HPHT Oilfield Drilling & Completion
It works as the base brine for drill-in and completion fluids in deep HPHT wells. Downhole formation pressure stays under control, and barite sag is not a problem. Reservoir return permeability comes in above 90%, which protects reservoir quality.
Well Workover & Intervention
You can use it as a solids-free packer fluid or a perforation fluid. During long static downhole operation it stays stable, and it will not crystallize in annular gaps. That keeps well workover and maintenance running without trouble.
Aviation & Infrastructure Deicing
Airport runways, taxiways and bridge decks get deiced and anti-iced with it. Aircraft composite brakes and steel-reinforced concrete structures are protected by it. Rules on safety and environmental protection are strict, and it meets them in full.
Industrial Heat Transfer & Cooling
It serves as a secondary circulating coolant in refrigeration equipment and in data center cooling systems. Cold conditions do not stop it from staying fluid. Pumps are kept free of cavitation, so the system runs nonstop and at good efficiency.
Potassium Formate Solution vs Other Products
| Feature | Potassium Formate Solution | Calcium Chloride Brine | Polymer-Based Fluids |
|---|---|---|---|
| Maximum Density | 1.57 g/cm³ | 1.39 g/cm³ | 1.20 g/cm³ |
| Temperature Stability | >200°C | Crystallizes >150°C | Degrades >120°C |
| Corrosion Risk | None (chloride-free) | High (chloride present) | Medium |
| Environmental Impact | Low toxicity, biodegradable | High chloride discharge | Polymer residue |
| Shale Inhibition | Excellent | Moderate | Poor |
| Formation Damage | Minimal (>90% permeability) | Moderate skin factor | High plugging risk |
Certifications & Compliance
Our factory runs on the ISO 9001 quality management system, and every production and testing step follows it strictly. All products carry valid KOSHER and HALAL certificates, which lets them serve many different industrial applications.
The product fully complies with a potassium formate solution meeting North Sea PLONOR offshore environmental standards. We provide complete MSDS and third-party test reports for each batch to support global project compliance verification and customs clearance.

Packaging Options
We provide diversified export-grade packaging and logistics solutions to adapt to different order volumes and international transportation modes, ensuring intact product quality during delivery:
200L Standard Drums: UN-certified anti-corrosion steel drums, suitable for laboratory testing and small-batch trial orders.
1000L IBC Tanks: They stack on top of one another. Hauling and storing them is simple. A solid pick for industrial buying in medium volumes.
ISO Tank Containers: Built for big cross-border shipments. On bulk projects, the unit logistics cost comes down.Bulk Tanker Delivery: Loads go straight to large buyers who have storage on site. You spend less on packaging, and handling losses drop.

Manufacturing Process
Our raw materials are high-purity formic acid and pharmaceutical-grade potassium hydroxide. The neutralization synthesis runs in sealed reactors where the temperature stays under control. Monitoring happens live. That is how the reaction finishes properly and impurity levels stay low.
Once synthesis is finished, the solution passes through several precise filtration stages. This step clears out particulate and ionic impurities. Key figures such as density, pH and heavy metal content then get tested under strict rules. Those results drive the concentration adjustment and the quality calibration.
Each batch is equipped with an official COA certificate, with full traceability from raw material procurement to finished product packaging, supporting customers' strict quality inspection standards.
Why Choose Us
With 35+ years of formate chemical production experience, our stable 150,000-ton annual output ensures continuous and sufficient supply for long-term industrial projects, effectively avoiding order delays caused by capacity shortages.
We have a mature global logistics network covering Europe, America and Asia, with rich experience in export document processing and international transportation to ensure smooth order delivery.
Our professional chemical engineering team provides one-stop technical services including formula customization, compatibility testing and on-site application guidance, solving personalized operational problems for B-end customers.
Flexible order volume support is available, covering small-batch sample testing and large-scale bulk procurement with no strict minimum order restrictions.

FAQ
Q: What density is suitable for oilfield completion fluid use?
A: A1: For most conventional completion operations, a density of 1.40–1.57 g/cm³ is recommended. We can customize the exact concentration according to your downhole hydrostatic pressure requirements.
Q: What are the advantages of liquid type over solid potassium formate?
A: A2: The liquid solution requires no on-site mixing, eliminating dust pollution and proportioning errors. It supports rapid deployment and lowers on-site labor and equipment costs.
Q: Is it compatible with common drilling fluid additives?
A: A3: Yes. It features excellent compatibility with conventional biocides, pH regulators and corrosion inhibitors. Our team can provide targeted formula matching suggestions.
Q: What is the valid shelf life of the product?
A: A4: Under standard sealed storage at 5–35°C, the product remains chemically stable with no performance degradation for up to 24 months.
Q: Will low-temperature freezing damage the product?
A: A5: Freezing within the rated temperature range will not damage product quality. Simply thaw and stir evenly before use to restore full performance.
Q: Can you provide official certification documents?
A: A6: Absolutely. We can provide complete COA, TDS, SDS and compliance certificates to support project review and customs clearance.

Request a Quote
Feel free to contact our professional technical sales team for potassium formate solution via sxzy@sxzhaoyi.com to obtain tailored quotations, official sample documents and professional application technical support.


