Polysorbate 40 for Industrial Applications: Bulk Supply

Polysorbate 40 for Industrial Applications: Bulk Supply

Polysorbate 40 is a nonionic surfactant used in selected industrial and formulation systems to support emulsification, dispersion and the compatibility of oil-based and water-based ingredients. Its performance depends on the formulation, processing conditions, concentration and grade selected.

For manufacturers and industrial formulators, selecting the right Polysorbate 40 grade involves evaluating its specifications, compatibility, stability and supply consistency. Businesses planning bulk procurement should confirm the required application, technical parameters and documentation before placing an order.

For industrial purchasing requirements, contact Chemical Bull to enquire about Polysorbate 40 availability, specifications and bulk supply options.

Quick Answer: What Is Polysorbate 40 Used For?

Polysorbate 40, also known as polyoxyethylene (20) sorbitan monopalmitate, is a nonionic surfactant with the CAS number 9005-66-7. It helps stabilise certain oil-in-water emulsions and disperse ingredients that do not readily mix with water.

Depending on the grade and formulation, Polysorbate 40 may be considered for industrial emulsification, emulsion polymerisation systems, selected metalworking formulations and other applications where nonionic surfactants are suitable. Its suitability should be confirmed through technical data, compatibility testing and application-specific requirements.

What Is Polysorbate 40?

Polysorbate 40 belongs to the polysorbate family of nonionic surfactants. It is produced by ethoxylating sorbitan fatty-acid esters; its principal fatty-acid component is palmitic acid.

The molecule contains hydrophilic polyoxyethylene groups and a lipophilic fatty-acid-derived portion. This combination allows it to help reduce interfacial tension and support the formation or stabilisation of emulsions.

Polysorbate 40 is commonly identified by the following names:

• Polysorbate 40

• Polyoxyethylene (20) sorbitan monopalmitate

• Tween 40

Its high hydrophilic–lipophilic balance (HLB) makes it more hydrophilic than lower-HLB surfactants such as sorbitan monopalmitate. However, actual performance depends on the formulation and the properties of the other ingredients.

Polysorbate 40: Technical Specifications

The following table provides general identification information. Buyers should obtain the supplier's current technical data sheet (TDS) and certificate of analysis (COA) to confirm grade-specific specifications.

How Does Polysorbate 40 Work?

Polysorbate 40 supports emulsification by accumulating at the interface between oil and water. Its hydrophilic portion interacts with the aqueous phase, while its more lipophilic portion associates with oil-based components.

This interfacial activity can help reduce the tendency of dispersed droplets to combine. As a result, the surfactant may improve emulsion formation and help maintain ingredient distribution in compatible formulations.

Its effectiveness depends on several factors:

• Oil-phase composition: Different oils and waxes have different emulsification requirements.

• Surfactant concentration: The appropriate level depends on the formulation and intended function.

• Processing conditions: Mixing intensity, temperature and order of addition can affect the result.

• Other ingredients: Electrolytes, polymers, preservatives and additional surfactants can change system behaviour.

• Storage conditions: Temperature changes and prolonged storage can affect the stability of some formulations.
  
  

Polysorbate 40 should therefore be evaluated within the complete formulation rather than selected solely on the basis of its HLB value.

Industrial Applications of Polysorbate 40

1. Metalworking Fluids

Surfactants are used in selected metalworking formulations to help disperse or emulsify compatible components. Polysorbate 40 may be evaluated where its nonionic character and emulsification behaviour meet the formulation requirements.

Potential functions include supporting oil dispersion and improving compatibility between selected ingredients. Suitability depends on the complete fluid composition, water quality, operating conditions and required performance.

Selection point: Check compatibility with the base oil, corrosion inhibitors, lubricity additives and other surfactants. Do not assume Polysorbate 40 will replace a purpose-designed metalworking emulsifier without testing.

2. Emulsion Polymerisation Systems

Emulsion polymerisation uses surfactants to help disperse monomers in an aqueous phase and support the formation of polymer particles. Polysorbate 40 may be considered in selected systems where the surfactant's properties are compatible with the polymerisation process.

The required surfactant depends on the monomer chemistry, reaction conditions, target particle size, solids content and final polymer properties.

Before commercial-scale use, evaluate its effect on particle-size distribution, reaction stability, foam formation and the properties of the resulting polymer. A laboratory compatibility trial is recommended before bulk-scale implementation.

3. Agrochemical Formulations

Certain agrochemical formulations require surfactants to help disperse or emulsify active ingredients and formulation aids. Polysorbate 40 may be assessed for suitable systems where its properties align with the formulation design.

Its use must be evaluated against the active ingredient, solvents, other adjuvants, dilution behaviour and intended application method. Regulatory acceptance also depends on the product type and destination market.

Selection point: Confirm formulation compatibility and applicable local requirements before using Polysorbate 40 in a commercial agricultural product.

4. Coatings and Speciality Formulations

Selected coatings and speciality formulations use surfactants to support wetting, dispersion or compatibility between components. Polysorbate 40 may be investigated when a nonionic surfactant is suitable for the system.

However, the surfactant can influence foam, water sensitivity, film properties and long-term stability. It should be screened against the coating's intended performance criteria before adoption.

5. Antistatic and Surface-Related Systems

Some industrial systems use surfactants to modify surface behaviour or support antistatic performance. Polysorbate 40 may be considered in compatible formulations, but antistatic effectiveness is not guaranteed by surfactant identity alone.

Performance testing should account for substrate type, humidity, concentration, surface compatibility and the required electrical properties.

6. Personal Care and Pharmaceutical Formulations

Although this article focuses on industrial applications, Polysorbate 40 is also used in certain personal care, cosmetic and pharmaceutical formulations where the appropriate grade is permitted and suitable.

For these applications, buyers must confirm the required quality standard, documentation, intended use and relevant regulatory requirements. Industrial-grade material should not automatically be assumed suitable for pharmaceutical, food or cosmetic use.

Polysorbate 40 Compared with Other Surfactants

Polysorbate products differ in their fatty-acid components and formulation behaviour. The most suitable option depends on the oil phase, desired emulsion properties and processing requirements.

How to Choose a Polysorbate 40 Supplier for Bulk Supply

Reliable bulk sourcing requires more than comparing the quoted price per kilogram. Industrial buyers should verify the material's identity, grade and consistency before committing to routine procurement.

When comparing a polysorbate 40 manufacturer with chemical suppliers, industrial buyers should evaluate product specifications, batch consistency, technical documentation, pricing and bulk supply capabilities. Before purchasing, request the latest technical data sheet (TDS), certificate of analysis (COA) and safety data sheet (SDS) to verify that the offered grade meets the intended application requirements.

Consider the following points:

• Product identity: Confirm the chemical name and CAS number.

• Technical specifications: Request the current TDS and COA for the offered grade.

• Application suitability: Explain the intended use so the grade can be evaluated against the relevant requirements.

• Batch consistency: Check which quality parameters are controlled between batches.

• Packaging and quantity: Confirm available pack sizes, minimum order quantity and bulk-order options.

• Lead time and logistics: Clarify dispatch timelines, delivery location and packaging requirements.

• Documentation: Request the safety data sheet (SDS) and any additional documents needed for internal approval.

• Commercial terms: Compare the full supply proposal, including price, freight, payment terms and delivery schedule.
  
  

For ongoing industrial consumption, buyers should also consider supplier responsiveness and the ability to support repeat orders with consistent documentation.

Polysorbate 40 Supplier – Chemical Bull

Chemical Bull is a chemical supplier and reseller supporting industrial buyers with chemical sourcing requirements. Businesses looking for Polysorbate 40 bulk supply can enquire about product availability, specifications, pricing and technical documentation based on their application and required grade.

For bulk enquiries, contact Chemical Bull with your required quantity and product specifications.

Storage and Handling of Polysorbate 40

Appropriate storage helps maintain product quality between receipt and use. Follow the handling and storage instructions provided in the supplier's SDS and TDS.

General procurement and handling considerations include:

• Store the material in a tightly closed, compatible container.

• Follow the supplier's recommended temperature range and avoid unsuitable temperature extremes.

• Protect the material from contamination, moisture ingress and incompatible substances.

• Use clean, dry equipment when transferring or dispensing the product.

• Follow site-specific personal protective equipment (PPE) requirements and applicable safety procedures.

• Review the SDS before handling, repackaging or disposing of the material.
  
  

If the product's appearance or viscosity changes during storage, check the supplier's specifications before using it in a critical formulation.

Formulator's Note: Best Practices for Stability

Polysorbate 40 should be tested in the intended formulation before full-scale use. A surfactant that works well with one oil phase may behave differently when the oil composition, polymer system or electrolyte concentration changes.

For a practical evaluation, compare several suitable concentrations and document the order of addition, mixing conditions and processing temperature. Monitor phase separation, changes in appearance, viscosity and other application-specific performance indicators during the planned stability period.

For industrial systems, also assess compatibility with the complete additive package and operating environment. Use the results to establish a validated working range rather than relying on a generic concentration recommendation.

Frequently Asked Questions About Polysorbate 40

1. What is the CAS number of Polysorbate 40?

The CAS number commonly associated with Polysorbate 40 is 9005-66-7. Confirm the identity against the supplier's documentation before purchasing.

2. Is Polysorbate 40 a nonionic surfactant?

Yes. Polysorbate 40 is a nonionic surfactant. It is used to support emulsification and dispersion in compatible systems.

3. What are the main industrial applications of Polysorbate 40?

Potential applications include selected metalworking formulations, emulsion polymerisation systems, agrochemical formulations, coatings and speciality systems. Its suitability depends on the exact formulation and technical requirements.

4. Is Polysorbate 40 water-soluble?

Polysorbate 40 is generally described as hydrophilic and can dissolve or disperse in water, depending on the grade and conditions. Confirm the specific material's solubility behaviour with its TDS.

5. What is the difference between Polysorbate 40 and Polysorbate 80?

Their main fatty-acid associations differ: Polysorbate 40 is associated with palmitic acid, while Polysorbate 80 is associated with oleic acid. This difference can affect formulation behaviour, so the best choice should be established through compatibility testing.

6. What documents should buyers request when purchasing Polysorbate 40 in bulk?

Buyers should generally request a current TDS, COA and SDS. Additional documentation may be necessary depending on the application, customer requirements and destination market.

7. Can Polysorbate 40 be used in food, cosmetics or pharmaceutical products?

Use depends on the specific grade, intended application and applicable regulations in the destination market. Buyers should confirm regulatory status and grade suitability rather than assume that every Polysorbate 40 product is approved for every use.

8. How can I enquire about Polysorbate 40 bulk supply?

Provide the required quantity, intended application, grade or specification, delivery location and documentation requirements to the supplier. This information helps establish whether the offered material meets your procurement needs.

Request a Quote for Polysorbate 40 Bulk Supply

Choosing a suitable Polysorbate 40 grade involves evaluating technical specifications, application compatibility, documentation and supply requirements. These checks help industrial buyers make informed purchasing decisions and reduce the risk of selecting an unsuitable material.

For Polysorbate 40 sourcing enquiries, visit Chemical Bull's contact page to discuss product availability, bulk quantities, specifications and commercial requirements.