CALCIUM SULFONATE

Calcium sulfonate is a calcium-based overbased or neutral salt of petroleum sulfonic acid, widely used as a detergent, corrosion inhibitor, and extreme pressure additive in lubricants and greases.
This compound is highly valued in industrial lubrication for its exceptional thermal stability, water resistance, and superior load-carrying capabilities.
Calcium sulfonate offers multifunctional protection by neutralizing acids, preventing rust, and enhancing the performance of oils, greases, and metalworking fluids.

CAS Number: 61789-86-4 (for overbased calcium sulfonate)
EC Number: 263-093-9
Molecular Formula: Variable (complex mixture of calcium sulfonates and carbonates)
Molecular Weight: Variable, depending on composition and overbasing degree

Synonyms: Calcium sulfonate, Overbased calcium sulfonate, Neutral calcium sulfonate, Calcium petroleum sulfonate, Calcium dinonylnaphthalene sulfonate, Calcium alkylbenzene sulfonate, Calcium dodecylbenzene sulfonate, Calcium sulfonate grease additive, Sulfonated calcium salt, Lubricant additive calcium sulfonate, Grease thickener calcium sulfonate, Calcium sulfonate rust inhibitor, High TBN calcium sulfonate, Calcium sulfonate detergent, Calcium sulfonate base stock, Petroleum sulfonate of calcium, Calcium aryl sulfonate, Calcium sulfonate dispersant, Calcium sulfonate corrosion inhibitor, Extreme pressure additive calcium sulfonate, Overbased detergent calcium sulfonate, Sulfonate soap of calcium, Sulfonic acid calcium salt, High-performance calcium sulfonate, Calcium sulfonate soap, Calcium sulfonate lubricant stabilizer, Industrial calcium sulfonate, Synthetic calcium sulfonate, Calcium sulfonate for gear oil, Marine-grade calcium sulfonate, Heavy-duty calcium sulfonate

APPLICATIONS

Calcium sulfonate is widely used in industrial greases for its high load-bearing and rust-inhibiting properties.
Calcium sulfonate is included in automotive engine oils and gear oils as a detergent and acid neutralizer.
Calcium sulfonate is employed in marine greases for enhanced water resistance and corrosion protection.

Calcium sulfonate is used in food-grade lubricants (NSF H1 compliant grades) for machinery in food processing plants.
Calcium sulfonate is applied in heavy-duty construction and mining equipment greases for shock-load protection.
Calcium sulfonate is incorporated into hydraulic oils to prevent oxidation and improve cleanliness.

Calcium sulfonate is used in metalworking fluids and cutting oils for rust prevention and emulsion stability.
Calcium sulfonate is suitable for offshore drilling and rig lubricants where high salt spray and humidity are present.
Calcium sulfonate is compatible with synthetic and semi-synthetic base oils for customized lubricant formulations.

Calcium sulfonate is added to compressor and turbine oils to maintain performance under high temperature and pressure.
Calcium sulfonate is found in automotive chassis and bearing greases for long service intervals.
Calcium sulfonate is applied in agricultural machinery greases and lubricants for year-round protection.

Calcium Sulfonate is used in the formulation of high-performance lubricants, where it serves as an additive to improve the anti-wear properties and extend the lifespan of machinery and engine components.
Calcium Sulfonate is employed in the production of grease, particularly in industrial applications, where it helps to enhance the grease’s water resistance, high-temperature stability, and load-carrying capacity.
Calcium Sulfonate is used in the manufacture of coatings, where it provides corrosion protection, improves adhesion, and enhances the durability of the coating, particularly in harsh environments.

Calcium Sulfonate is employed in the formulation of industrial cleaning agents, where it helps to break down and emulsify oils, dirt, and grime, improving the cleaning efficiency.
Calcium Sulfonate is used in the preparation of petroleum-based additives, where it helps to neutralize acids and improve the overall performance and stability of the oil-based products.
Calcium Sulfonate is used in the formulation of concrete admixtures, where it acts as a water-reducing agent and helps improve the workability and strength of concrete.

Calcium Sulfonate is used in metalworking fluids and cutting oils, where it provides lubrication and cooling properties, improving tool life and reducing wear on machinery.
Calcium Sulfonate is employed in the production of synthetic oils, where it helps to improve their lubricating properties and extend their operational efficiency under extreme conditions.
Calcium Sulfonate is used in agricultural chemicals, where it is employed in the formulation of pesticides and herbicides to improve their effectiveness and stability during storage and application.

Calcium Sulfonate is used in the production of asphalt additives, where it improves the stability and weather resistance of asphalt used in road construction and roofing applications.
Calcium Sulfonate is employed in the formulation of detergents, where it helps to improve the solubility and dispersion of the detergent, enhancing its cleaning ability and performance.

Calcium Sulfonate is used in the manufacturing of water treatment chemicals, where it helps to remove impurities and improve water clarity by acting as a flocculant.
Calcium Sulfonate is used in the preparation of oilfield chemicals, where it helps to stabilize oil and gas well fluids, enhancing the efficiency of extraction processes.

Calcium Sulfonate is used in the formulation of rust inhibitors for automotive and industrial applications, where it helps to prevent the formation of rust and corrosion on metal surfaces.
Calcium Sulfonate is used in the formulation of fabric softeners, where it improves the softness and smoothness of fabrics while also reducing static cling.

Calcium Sulfonate is employed in lubricating oils for automotive engines, where it helps to reduce wear and tear, protect against corrosion, and enhance the overall performance of the engine.
Calcium Sulfonate is used in the production of heat exchangers and refrigeration systems, where it enhances the performance of the system by improving thermal conductivity and reducing the buildup of contaminants.

Calcium Sulfonate is used in the formulation of hydraulic fluids, where it helps to prevent the degradation of the fluid, improving its long-term performance and reducing maintenance needs.
Calcium Sulfonate is employed in the formulation of anti-static agents for electronic components and systems, where it helps reduce the build-up of static charges and prevent damage to sensitive parts.
Calcium Sulfonate is used in the preparation of fire-resistant hydraulic fluids, where it enhances the fluid’s ability to withstand high temperatures while maintaining its performance.

Calcium Sulfonate is used in the formulation of antifouling paints, where it helps to prevent the growth of algae, barnacles, and other marine organisms on ships, tanks, and offshore structures.
Calcium Sulfonate is employed in the formulation of oil additives for high-performance engines, where it helps reduce friction and wear, improve fuel efficiency, and extend engine life.

Calcium Sulfonate is used in the production of thermoplastic elastomers, where it enhances the material's strength, flexibility, and performance under heat and pressure.
Calcium Sulfonate is used in the formulation of personal care products, such as deodorants and body lotions, where it acts as an emulsifier and provides moisturizing properties.
Calcium Sulfonate is applied in industrial applications for lubrication systems, where it ensures smooth operation, reduces wear on equipment, and minimizes downtime.

DESCRIPTION

Calcium sulfonate is typically a brown, viscous liquid or a thick, creamy paste when used as a grease thickener.
It is composed of calcium salts of sulfonated alkyl aromatic hydrocarbons, often overbased with calcium carbonate to enhance alkalinity and load-carrying properties.
Calcium sulfonate functions as a surface-active agent, dispersant, and anti-corrosive agent in lubricating systems.

Overbased calcium sulfonates contain micellar structures that provide cleaning and neutralizing action in combustion environments.
They improve the detergent properties of engine oils and enhance the performance of greases under high pressure and water washout conditions.
Calcium sulfonate-based greases show superior shear stability, water resistance, and mechanical stability compared to lithium-based greases.

These compounds are thermally stable and capable of forming thick, consistent protective films on metal surfaces.
Calcium sulfonates are effective across a wide temperature range and remain functional in harsh industrial and marine environments.
They are biodegradable and meet environmental safety standards in many lubricant applications.

Calcium Sulfonate is a chemical compound used as a lubricant additive, surfactant, and corrosion inhibitor in various industrial applications, offering a range of performance benefits, such as improving wear resistance and reducing oxidation.
Calcium Sulfonate is a calcium-based salt of sulfonic acid, and it is often used as a detergent and dispersant in lubricants, greases, and other formulations to enhance their stability and performance.
Calcium Sulfonate is a versatile compound that can be used in a variety of applications, including automotive lubricants, industrial oils, grease, paints, coatings, and metalworking fluids, offering improved durability and anti-wear properties.

Calcium Sulfonate is commonly used in the formulation of high-temperature lubricants and greases, where it enhances the product's water resistance, oxidative stability, and overall performance under harsh conditions.
Calcium Sulfonate is often included in water-based formulations, where it acts as an emulsifier and stabilizer, helping to ensure uniform dispersion of oil and water phases.

Calcium Sulfonate is a key ingredient in many industrial coatings and paints, where it improves adhesion, prevents corrosion, and provides protection against wear and environmental degradation.
Calcium Sulfonate is known for its high thermal stability, making it effective in high-temperature applications such as automotive engines, industrial machinery, and other equipment exposed to extreme operating conditions.

Calcium Sulfonate is used to stabilize other additives in lubricants, preventing their breakdown and ensuring that the final product remains effective over time, even under harsh operating conditions.
Calcium Sulfonate is also known for its ability to neutralize acids in lubricants and oils, helping to protect metal surfaces from corrosion and improving the longevity of machinery.
Calcium Sulfonate is typically added to formulations in low concentrations, providing a powerful and cost-effective solution to improve lubrication, corrosion resistance, and overall product performance in a wide range of industries.

PROPERTIES

Chemical Nature: Calcium salts of sulfonic acids (alkylbenzene sulfonates)
Appearance: Brown to amber viscous liquid or opaque paste (in greases)
Odor: Mild, characteristic petroleum odor
Solubility: Insoluble in water; soluble in petroleum oils
TBN (Total Base Number): 300–400 mg KOH/g (for overbased types)
Dropping Point (in greases): >260°C
Viscosity: Variable depending on grade
Density: Approx. 0.95–1.05 g/cm³
Flash Point: >200°C
Stability: Excellent oxidative and thermal stability
Storage Temperature: 10–30°C in sealed containers
Shelf Life: 24–36 months under recommended storage conditions

FIRST AID

Inhalation:
Move person to fresh air.
Seek medical attention if breathing discomfort occurs.

Skin Contact:
Wash thoroughly with soap and water.
Seek medical attention if irritation or rash develops.

Eye Contact:
Flush with water for at least 15 minutes.
Seek immediate medical help if irritation persists.

Ingestion:
Do not induce vomiting.
Rinse mouth with water and consult a physician immediately.

Note to Physicians:
Treat symptomatically.
Aspiration hazard if ingested in large amounts.

HANDLING AND STORAGE

Handling:
Use gloves and protective eyewear in industrial settings.
Avoid contact with eyes, skin, and clothing.
Maintain good ventilation when handling in bulk.

Spill and Leak Procedures:
Absorb with inert material and collect for proper disposal.
Clean surfaces thoroughly to remove any residue.

Storage:
Store Calcium sulfonate in tightly sealed containers in a dry, cool area.
Keep away from strong oxidizing agents and moisture.
Avoid prolonged exposure to air or direct sunlight.

Handling Cautions:
Avoid contamination and ensure containers are properly labeled.
Follow local environmental and safety regulations during use and disposal.