LUBRIZOL 5948

Lubrizol 5948 is widely utilized in heavy-duty engine oils for commercial vehicles, where it enhances durability and prolongs engine life under demanding conditions.
In addition to automotive uses, Lubrizol 5948 can be found in industrial lubricants where dispersancy is required to maintain system efficiency and cleanliness.

CAS Number: 64742-55-8 (commonly associated with hydrotreated paraffinic distillates used as carrier base oils)
EC Number: 265-158-7
Chemical Class: Petroleum-derived hydrocarbon mixture and dispersant additive
Composition: Complex mixture of saturated hydrocarbons and ester-based dispersant molecules used in refinery chemicals.
Chemical Type: Polyolefin ester dispersant / hydrocarbon-based additive

SYNONYMS:
Distillates (petroleum), hydrotreated light paraffinic, Hydrotreated light paraffinic distillate, Hydrotreated light paraffin oil, Light paraffin hydrocarbon, Liquid paraffin, Paraffin oil, Mineral oil (light hydrotreated), Paraffinic distillate, light, hydrotreated, 300‑OIL‑5

Lubrizol 5948 is a hydrocarbon-based chemical additive used in petroleum production and refining operations.
Lubrizol 5948 is primarily designed as an asphaltene dispersant that helps maintain the stability of heavy hydrocarbon mixtures.
In crude oil systems, heavy aromatic fractions such as asphaltenes tend to aggregate and precipitate under changing pressure, temperature, or composition conditions.

Lubrizol 5948 is formulated to interact with these particles and maintain them in a dispersed state within the hydrocarbon phase.
This behavior improves the overall stability of crude oil streams and reduces operational issues associated with solid deposition.
Lubrizol 5948 is a proprietary industrial chemical additive produced by the Lubrizol Corporation.

Lubrizol 5948 is generally described as a polyolefin ester dispersant used primarily in petroleum refining and oilfield operations.
Lubrizol 5948 is designed to control the behavior of heavy hydrocarbon components such as asphaltenes in crude oil and heavy fuel streams.
By dispersing these particles, Lubrizol 5948 helps prevent agglomeration, deposition, and fouling in pipelines, processing equipment, and storage systems.

Lubrizol 5948 is commonly applied in refinery antifoulant formulations, crude-oil flow assurance programs, and fuel processing systems.
Because Lubrizol 5948 functions as a dispersant, the product improves the stability of hydrocarbon mixtures and helps maintain efficient operation in oil production, transportation, and refining processes.

USES and APPLICATIONS of LUBRIZOL 5948:
Oil Storage and Transport uses of Lubrizol 5948: In storage tanks and pipelines handling heavy crude or residual fuels, Lubrizol 5948 helps prevent sediment formation and maintains the stability of the hydrocarbon mixture during transport.
Lubrizol 5948 is commonly used as a dispersant additive in automotive engine oils to help keep contaminants such as soot and sludge finely suspended in the lubricant.

Lubrizol 5948 is applied in both gasoline and diesel engine formulations to improve engine cleanliness and prevent deposit buildup on critical components.
Lubrizol 5948 is particularly valuable in modern engines operating under high temperatures and extended drain intervals, where oxidation and contamination are more severe.

Lubrizol 5948 also contributes to maintaining viscosity stability by preventing the agglomeration of insoluble particles in the oil.
Lubrizol 5948 is widely utilized in heavy-duty engine oils for commercial vehicles, where it enhances durability and prolongs engine life under demanding conditions.

In addition to automotive uses, Lubrizol 5948 can be found in industrial lubricants where dispersancy is required to maintain system efficiency and cleanliness.
Lubrizol 5948 supports improved oil performance by reducing wear indirectly through cleaner operating environments within the engine.
Lubrizol 5948 is often formulated in combination with detergents and other performance additives to achieve balanced lubricant systems.

-Petroleum Refining uses of Lubrizol 5948:
Lubrizol 5948 is widely used in refinery operations to prevent deposition of heavy hydrocarbons.
Asphaltene particles present in crude oil can aggregate and form deposits that reduce heat transfer efficiency and block pipelines.
Lubrizol 5948 disperses these particles and keeps them suspended in the hydrocarbon stream, improving process efficiency.

-Oilfield Production uses of Lubrizol 5948:
Lubrizol 5948 is applied in oil production wells and flowlines where heavy crude oils contain large amounts of asphaltenes.
By preventing precipitation and deposition, Lubrizol 5948 helps maintain continuous oil flow and reduces maintenance requirements.

-Refinery Antifoulant Formulations use of Lubrizol 5948:
Lubrizol 5948 is often used as a component in refinery antifoulant chemical packages.
These formulations are injected into processing systems such as heat exchangers, catalytic crackers, and distillation units to reduce fouling and extend equipment lifetime.

-Role of Lubrizol 5948 in Petroleum Refining Processes:
In refinery environments, heavy hydrocarbon deposition is a major operational challenge, particularly in heat exchangers, distillation columns, and catalytic processing units.
When asphaltenes and other heavy fractions deposit on equipment surfaces, they reduce heat transfer efficiency and restrict fluid flow.

Lubrizol 5948 is commonly injected into refinery streams to maintain dispersion of these heavy components and minimize fouling.
By preventing particle accumulation on equipment surfaces, Lubrizol 5948 helps maintain stable process conditions and supports consistent refinery throughput.

-Application of Lubrizol 5948 in Oilfield Production Systems
During crude oil production, especially from reservoirs containing heavy crude, asphaltene precipitation can occur inside production tubing, wellbores, and surface pipelines.
These deposits can reduce flow rates and may eventually lead to blockages that require mechanical or chemical removal.

Lubrizol 5948 is often used as a flow assurance chemical in these systems.
When introduced into the production stream, Lubrizol 5948 stabilizes the asphaltene fraction of the crude oil and prevents the formation of solid deposits, thereby allowing continuous production and reducing the frequency of maintenance interventions.

-Use of Lubrizol 5948 in Antifoulant Formulations
Lubrizol 5948 is frequently incorporated into refinery antifoulant formulations.
These formulations are designed to control the formation of deposits that arise from heavy hydrocarbon reactions, polymerization processes, or thermal degradation products during refining operations.

Lubrizol 5948 acts as a dispersing component within such chemical packages, ensuring that insoluble particles remain suspended in the hydrocarbon stream rather than attaching to equipment surfaces.
This function is particularly valuable in high-temperature processing environments where fouling tendencies are significant.

-Importance of Storage and Transportation of Crude Oil of Lubrizol 5948:
Heavy crude oils and residual fuels often contain unstable hydrocarbon fractions that may separate during long-term storage or transportation.
Over time, these components can settle as sediment at the bottom of storage tanks or pipelines.

The addition of Lubrizol 5948 helps maintain the stability of these hydrocarbon mixtures by dispersing heavy particles throughout the fluid phase.
As a result, the formation of sludge and sediment is reduced, and the transported crude oil remains more uniform in composition.

-Operational Advantages in Petroleum Systems:
The use of Lubrizol 5948 contributes to improved reliability and efficiency across petroleum production and refining systems.
By stabilizing asphaltenes and preventing their agglomeration, Lubrizol 5948 reduces the risk of fouling and deposition in pipelines and processing equipment.

This leads to improved heat transfer performance, smoother fluid flow, and longer intervals between maintenance operations.
In industrial settings where continuous operation is critical, such chemical additives play an important role in maintaining process stability and minimizing operational downtime.

GENERAL PROPERTIES of LUBRIZOL 5948:
Hydrocarbon-based petroleum additive.
Ester-type dispersant chemistry.
Non-ionic surface-active behavior in hydrocarbon media.
Compatible with crude oil and refinery process streams.
High thermal stability for high-temperature processing systems.
Low water solubility and strong oil solubility.

CHARACTERISTICS of LUBRIZOL 5948:
Lubrizol 5948 exhibits several technical characteristics that make it useful in petroleum and refinery operations.
Effective asphaltene dispersant that prevents agglomeration of heavy hydrocarbons.
Lubrizol 5948 helps reduce fouling in refinery equipment and pipelines.
Lubrizol 5948  can act as an emulsion stabilizer in certain refinery formulations.

Lubrizol 5948 improves flow assurance in crude oil production and transportation.
Compatible with a wide range of crude oil compositions.
Lubrizol 5948 does not contain nitrogen, which may be beneficial in certain refining processes.

BENEFITS AND ADVANTAGES of LUBRIZOL 5948:
Lubrizol 5948 prevents asphaltene agglomeration and deposition.
Lubrizol 5948 reduces equipment fouling in refineries and pipelines.
Lubrizol 5948 improves flow assurance in crude oil systems.

Lubrizol 5948 enhances operational efficiency and reliability of petroleum processing equipment.
Compatible with a wide variety of crude oil compositions.
Lubrizol 5948 helps reduce maintenance costs and downtime in industrial processing units.

CHEMICAL NATURE AND SOLUBILITY BEHAVIOR of LUBRIZOL 5948:
Lubrizol 5948 is based on ester-type dispersant chemistry and exhibits non-ionic surface-active properties in hydrocarbon environments.
Its molecular structure allows Lubrizol 5948 to associate with heavy hydrocarbon particles while remaining strongly soluble in oil.

Because of this strong oil solubility and low water solubility, Lubrizol 5948 performs effectively in petroleum streams without migrating into aqueous phases that may be present in production or refining systems.
The absence of nitrogen in Lubrizol 5948's composition is also notable, as nitrogen-containing additives can sometimes interfere with refining catalysts or lead to unwanted by-products during high-temperature processing.

MECHANISM OF ASPHALTENE STABILIZATION of LUBRIZOL 5948:
In crude oil, asphaltenes exist as complex aromatic structures with polar functional groups that tend to associate with each other through intermolecular interactions.
When destabilized, these molecules can form larger aggregates that eventually precipitate as solid deposits.

Lubrizol 5948 functions by adsorbing onto the surface of these asphaltene particles and creating a stabilizing layer that prevents them from clustering together.
The hydrocarbon portion of the molecule interacts with the surrounding oil phase, while the polar regions interact with the asphaltene surface.
This molecular arrangement keeps the particles suspended and dispersed within the crude oil, preventing the formation of deposits.

PHYSICAL and CHEMICAL PROPERTIES of LUBRIZOL 5948:
Product Name: Lubrizol 5948
Chemical Type: Polyolefin ester dispersant / hydrocarbon-based additive
CAS Number: 64742-55-8
EC Number: 265-158-7
Chemical Class: Petroleum-derived hydrocarbon mixture and dispersant additive
Composition: Complex mixture of saturated hydrocarbons and ester-based dispersant molecules used in refinery chemicals
Appearance: Water-white or colorless oily liquid
Physical State: Liquid
Odor: Mild hydrocarbon odor
Color: Clear to pale yellow
Density: approx. 0.82–0.85 g/cm³ (20–25 °C)

Specific Gravity: ~0.82
Viscosity: approx. 7.5–100 cSt (depending on formulation)
Boiling Point: approx. 280–350 °C
Flash Point: about 150 °C
Autoignition Temperature: about 250 °C
Vapor Pressure: ~0.05 mmHg
Vapor Density: 7–8 (air = 1)
Melting Point: approx. −30 to −20 °C
Solubility in Water: Insoluble
Solubility in Organic Solvents: Soluble in hydrocarbons and petroleum solvents
Chemical Stability: Stable under normal industrial storage conditions; incompatible with strong oxidizing agents

FIRST AID MEASURES of LUBRIZOL 5948:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation: 
Fresh air.
*In case of skin contact: 
Take off immediately all contaminated clothing. 
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact: 
Rinse out with plenty of water. 
Call in ophthalmologist. 
Remove contact lenses.
*If swallowed:
After swallowing: 
Immediately make victim drink water (two glasses at most). 
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of LUBRIZOL 5948:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains. 
Collect, bind, and pump off spills. 
Observe possible material restrictions. 
Take up dry. 
Dispose of properly. 
Clean up affected area.

FIRE FIGHTING MEASURES of LUBRIZOL 5948:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2) 
Foam 
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of LUBRIZOL 5948:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection. 
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A 
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of LUBRIZOL 5948:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed. 
Dry.

STABILITY and REACTIVITY of LUBRIZOL 5948:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available