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Barium Stearate is generally immediately available in most volumes.
Barium Stearate is a widely used industrial chemical known for its versatility and efficacy in various applications.
Barium stearate is an inorganic–organic compound (metal soap) formed from barium and stearic acid, commonly used as a stabilizer, lubricant, and release agent in plastics, rubber, and coatings.
CAS Number: 6865-35-6
Molecular Formula: C36H70BaO4
Molecular Weight: 704.27
EINECS Number: 229-966-3
Synonyms:Barium stearate, 6865-35-6, Barium distearate, Stearic acid, barium salt, Stavinor 40, Octadecanoic acid, barium salt, Barium distearate, pure, EINECS 229-966-3, Octadecanoic acid, barium salt (2:1), 4H9N8A8G6T, BA-ST, SB (STABILIZER), BAEROSTAB 370, BARIUM BIS(STEARATE), DTXSID1027637, RefChem:561036, DTXCID607637, 229-966-3, barium(2+);octadecanoate, MFCD00050711, UNII-4H9N8A8G6T, C36H70BaO4, barium dioctadecanoate, Stearic Acid Barium Salt, SCHEMBL28067, GAA86535, AKOS015839866, AKOS015902772, NS00081634, Q808225, Barium bis(stearate);Bis(octadecanoic acid)barium salt;Einecs 229-966-3;Octadecanoic acid, barium salt (2:1);barium distearate;BARIUM STEARATE;octadecanoic acid barium salt;STEARIC ACID BARIUM SALT
Barium Stearates chemical formula is typically written as Ba(C₁₈H₃₅O₂)₂.
Barium Stearate belongs to the class of alkaline earth metal stearates.
Chemically, barium stearate consists of a barium cation (Ba²⁺) coordinated with two stearate anions derived from stearic acid.
The long hydrocarbon chains provide hydrophobic character.
This structure gives it surface-active and lubricating properties.
Physically, barium stearate appears as a white, fine powder.
Barium Stearate is insoluble in water but soluble or dispersible in organic solvents and oils.
Barium Stearate has a waxy, soap-like feel.
Barium stearate exhibits lubricating and anti-friction properties.
The long hydrocarbon chains reduce surface friction.
This is useful in polymer processing.
Barium Stearate acts as a heat stabilizer in plastics, particularly in PVC.
Barium Stearate helps prevent degradation during processing.
This improves material durability.
Barium stearate also functions as a release agent.
It prevents materials from sticking to molds or processing equipment.
This facilitates manufacturing.
It is generally chemically stable under normal conditions, but may decompose at high temperatures.
It should be stored in a dry environment.
Proper storage maintains performance.
Barium Stearate is best described as a metallic soap used as a stabilizer, lubricant, and processing aid, especially in plastics, rubber, and industrial formulations.
Barium stearate belongs to the family of metallic soaps, which are salts of fatty acids with metal ions.
These compounds are widely used in polymer and coating industries.
They combine hydrophobic chains with metal functionality.
The long C18 hydrocarbon chains provide strong hydrophobic character.
This makes barium stearate highly water-repellent.
Barium Stearate is therefore useful in moisture-resistant formulations.
Barium stearate exhibits good thermal stability compared to some other metal soaps.
Barium Stearate can withstand processing temperatures used in plastics.
This supports its role as a stabilizer.
The compound provides internal and external lubrication in polymer systems.
Internally, Barium Stearate reduces friction between polymer chains.
Externally, it reduces sticking to processing equipment.
Melting point: >225℃
Density: 1.145g/cm3
storage temp.: Store at room temperature, keep dry and cool
solubility: insoluble in H2O, ethanol
form: Powder
color: white
Odor: odorless
Water Solubility: insoluble H2O, alcohol [HAW93]
InChI: InChI=1S/2C18H36O2.Ba/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
InChIKey: AGXUVMPSUKZYDT-UHFFFAOYSA-L
SMILES: O([Ba]OC(=O)CCCCCCCCCCCCCCCCC)C(=O)CCCCCCCCCCCCCCCCC
LogP: 8.216 (est)
Barium Stearate can act as a neutralizing agent for acidic residues formed during polymer degradation.
This helps stabilize materials such as PVC.
Barium Stearate prevents discoloration and breakdown.
The compound can contribute to improved surface finish and gloss in processed materials.
Barium Stearate helps create smoother surfaces.
This enhances product appearance.
Barium stearate is compatible with many polymers, resins, and additives.
Barium Stearate can be used alongside other stabilizers and lubricants.
This allows flexible formulation design.
Because of the presence of barium, the compound may have higher density and specific performance characteristics compared to calcium or zinc stearates.
Selection depends on application requirements.
Barium Stearate is a hydrophobic, thermally stable metallic soap that provides lubrication, stabilization, and surface improvement, especially in polymer processing and industrial formulations.
Barium stearate exhibits excellent water-repellent properties, making it useful in formulations requiring moisture resistance.
Its hydrophobic nature helps protect materials from water absorption.
This is important in coatings and plastics.
The compound can act as a processing aid in thermoplastics, improving flow during extrusion and molding.
Barium Stearate reduces friction between the polymer melt and processing equipment.
This enhances manufacturing efficiency.
Barium stearate shows good dispersion in polymer matrices when properly incorporated.
It distributes evenly within the material.
Barium Stearate ensures consistent performance.
It can function as a stabilizer against heat and light degradation, particularly in PVC systems.
Barium Stearate helps prevent discoloration and structural breakdown.
This improves product longevity.
The compound may contribute to anti-blocking and anti-sticking properties in films and sheets.
It reduces adhesion between surfaces.
This improves handling and storage.
Barium stearate is often used in combination with other metal stearates, such as calcium or zinc stearate.
These combinations optimize stabilization and lubrication.
This allows tailored performance in formulations.
Because of its metallic component, barium stearate may influence electrical and dielectric properties of materials.
This can be relevant in certain industrial applications.
It may be used in specialized formulations.
The compound is generally insoluble in water but compatible with organic systems, which makes it suitable for non-aqueous formulations.
It performs well in oils, resins, and polymer systems.
Barium Stearate is a multifunctional metallic soap providing lubrication, stabilization, water resistance, and processing benefits, especially in plastics, coatings, and industrial materials.
Uses Of Barium Stearate:
Waterproofing agent; lubricant in metalworking, plastics, and rubber; wax compounding; preparation of greases; heat and light stabilizer in plastics.
Barium Stearate is not generally used as a stabilizer, but is an important film-calendering lubricant.
Barium Stearate is generally used in conjunction with other stabilizers such as Cadmium Stearate and Lead Stearate.
Barium Stearate can be used as a flatting and sanding agents in lacquers, coatings and inks and as a drying lubricant for rubbers.
Barium stearate is widely used as a heat stabilizer in PVC and other plastics.
It helps prevent degradation during processing at high temperatures.
This improves material durability and color stability.
In polymer processing, it functions as a lubricant and processing aid.
It reduces friction between polymer and equipment.
This enhances flow during extrusion and molding.
Barium stearate is used as a release agent in molding operations.
It prevents materials from sticking to molds and dies.
This improves manufacturing efficiency.
In rubber processing, it acts as a lubricant and stabilizer.
It improves mixing and processing characteristics.
This supports better product quality.
The compound is applied in coatings and paints as a dispersing and anti-settling agent.
It helps maintain uniform distribution of pigments.
This improves coating consistency.
Barium stearate is used in powder metallurgy and metal processing as a lubricant.
It reduces friction during compaction and shaping.
This enhances processing performance.
In plastics and films, it provides anti-blocking properties.
It prevents layers from sticking together.
This improves handling and storage.
Barium stearate is used in greases and lubricants as a thickening and stabilizing agent.
It helps maintain consistency and performance.
This supports lubrication systems.
In ceramics and specialty materials, it acts as a processing aid and binder.
It helps improve workability and shaping.
This supports material fabrication.
Barium Stearate is used wherever thermal stabilization, lubrication, release properties, and moisture resistance are required, especially in plastics, rubber, coatings, and industrial processing.
Barium stearate is used in wire and cable insulation materials, especially PVC-based systems.
It improves thermal stability and processing performance.
This enhances durability and electrical insulation quality.
In calendering and film production, it acts as a lubricant and anti-sticking agent.
Barium Stearate helps produce smooth, uniform sheets.
This improves surface finish and handling.
Barium stearate is applied in masterbatch production for plastics.
It helps disperse pigments and additives evenly.
This ensures consistent coloration and properties.
In leather and textile finishing, it may be used as a lubricant and water-repellent additive.
Barium Stearate improves softness and surface characteristics.
This enhances product quality.
Barium Stearate is used in printing inks and coatings as a rheology modifier and dispersant.
It helps maintain stable pigment distribution.
This improves print clarity and consistency.
Barium stearate is applied in adhesive formulations to improve processing and reduce tack during handling.
It helps control flow and application behavior.
This supports manufacturing efficiency.
In foundry and molding sand systems, it can act as a release and lubricating agent.
It helps prevent sticking and improves mold release.
This enhances casting processes.
It is used in specialty lubricants and greases where water resistance is required.
Its hydrophobic nature improves moisture resistance.
This supports performance in harsh environments.
Barium stearate is also applied in anti-corrosion and protective coatings.
It contributes to moisture resistance and surface protection.
This improves durability of coated materials.
Barium Stearate is used wherever lubrication, stabilization, water resistance, dispersion, and processing efficiency are required, particularly in advanced polymer, coating, and industrial systems.
Safety Profile Of Barium Stearate:
Moderately toxic by ingestion.When heated to decomposition it emits acrid smoke andfumes.
Barium stearate presents moderate to high health hazards, mainly due to the presence of barium, which can be toxic if absorbed into the body.
While it is less soluble than many barium salts, exposure should still be controlled.
Proper safety precautions are essential.
Skin contact may cause mild irritation, especially with prolonged exposure to fine powder.
Symptoms may include dryness or redness.
Protective gloves are recommended during handling.
Eye contact can cause mechanical irritation.
Dust particles may lead to redness, discomfort, and tearing.
Eyes should be rinsed thoroughly with water if exposure occurs.
Inhalation of dust may cause respiratory irritation.
Symptoms can include coughing or throat discomfort.
Chronic exposure to barium-containing dust may pose health risks.
Barium Stearate adequate ventilation and respiratory protection are recommended.
Ingestion is toxic, as soluble barium compounds can affect muscles, the nervous system, and the cardiovascular system.
Although barium stearate is poorly soluble, ingestion should be avoided.
Medical attention is required if swallowed.
Barium stearate is not highly flammable, but it can burn under strong heat.
Thermal decomposition may produce carbon oxides and potentially toxic barium-containing fumes.
Standard fire safety precautions should be followed.
