




Epoxidized Soybean Oil
We are a trusted supplier of Epoxidized Soybean Oil (ESBO), offering high-quality, environmentally friendly products with consistent purity. Our reliable supply chain ensures timely delivery, while our competitive pricing and professional technical support help customers meet their application needs efficiently.
- CAS Number: 8013-07-8
- Molecular Formula: C₅₇H₉₈O₁₂
- Molecular Weight: 975.38 g/mol
- Density: 0.997 g/mL (at 25°C)
- HS Code (Customs Tariff): 151800
- Appearance: Light yellow viscous oily liquid
What is Epoxidized Soybean Oil?
Epoxidized Soybean Oil (ESBO) is a bio-based plasticizer and stabilizer made by epoxidizing soybean oil. It appears as a light yellow, viscous liquid and is widely used in PVC products, coatings, adhesives, and inks. ESBO is valued for its low toxicity, excellent compatibility with polymers, and dual function as both a plasticizer and a heat stabilizer. Its renewable origin and regulatory compliance make it a preferred alternative to traditional phthalate plasticizers in various industrial applications.
Technical Specifications of Epoxidized Soybean Oil
| Ester Content | 99%min |
| Colour(Pt-Co) | 150-200 |
| Specific gravity(25°C) | 0.988-0.998 |
| Epoxy Value | 6.0%min |
| Acid Value(mg KoH/g) | 0.5%max |
| Flash Point | 280°Cmin |
| lodine value | 6.0max |
| Volatile matter and Moisture | 0.3%max |
| Thermal Stability | 177'C*3h |
Packaging of Epoxidized Soybean Oil
- 200kg steel/plastic drums
- 1000kg IBC drums
- 22.5mt felixbag
Support customize the packaging materials
ESBO vs. Traditional Phthalate Plasticizers
| Feature | Epoxidized Soybean Oil (ESBO) | Traditional Phthalate Plasticizers (DOP/DINP) |
|---|---|---|
| Source | Renewable plant-based (soybean oil), biodegradable and eco-friendly | Petroleum-based, non-renewable, with environmental concerns |
| Toxicity | Low toxicity, no known endocrine disruption | Some phthalates are suspected endocrine disruptors and have regulatory restrictions |
| Regulatory Compliance | Complies with REACH, RoHS, PAHs, EN71 standards, suitable for sensitive applications | Increasingly restricted or banned in various regions and applications |
| Plasticizing Performance | Good flexibility and secondary stabilizing effect in PVC | Excellent primary plasticizer with strong flexibility enhancement |
| Thermal and UV Stability | Provides better thermal and UV resistance as secondary stabilizer | Lower thermal and UV stability compared to ESBO |
| Applications | Used in food packaging, toys, automotive parts with strict safety and odor requirements | Widely used in general PVC products but less suitable for sensitive applications |
Standard Loading Details
Packaging: 200kg steel/plastic drums
- 16mt/20fcl with/without pallet
- 26mt/40gp with/without pallet
Packaging: 1000kg IBC drums
- 20mt/20fcl
- 26mt/40gp
Packaging: 22.5mt felixbag
- 20fcl
The Safety Data Sheet (SDS) of Epoxidized Soybean oil
To ensure your safety when using Epoxidized Soybean Oil (ESBO), it is important to follow proper handling guidelines.
Although ESBO is generally considered low in toxicity and environmentally friendly, certain precautions should still be observed:
Skin and Eye Contact: May cause mild irritation with prolonged or repeated exposure. Avoid direct contact.
Inhalation: Vapors or mist generated during processing may cause respiratory discomfort.
Combustibility: ESBO is a combustible liquid and should be kept away from open flames and high temperatures.
Environmental Risk: Large spills may be harmful to aquatic environments; prevent release into drains or waterways
Please contact us to request the latest version of the Material Safety Data Sheet (MSDS).
FAQs about Epoxidized Soybean Oil
Does your ESBO meet international safety and environmental standards?
Yes, our Epoxidized Soybean Oil complies with a wide range of global safety and environmental regulations. These include:
REACH (EU chemical safety regulation)
RoHS 2.0 (Restriction of Hazardous Substances)
PAHs (Polycyclic Aromatic Hydrocarbons limits)
EN71-3 and EN71-9 (European toy safety standards)
Our ESBO is suitable for use in PVC products, food packaging (indirect contact, depending on grade), children’s toys, and other sensitive applications that require high safety and low toxicity.
We provide full documentation including MSDS, COA, and third-party test reports upon request.
What are the main applications of Epoxidized Soybean Oil (ESBO)?
Epoxidized Soybean Oil is a versatile bio-based plasticizer and stabilizer used across multiple industries, including:
PVC Products:
Widely used in soft PVC formulations such as automotive floor mats, films, and sheets, especially where low odor is required.Coating Industry:
Applied in water-based and high-solid coatings as a sustainable alternative to petroleum-based epoxy resins. Suitable for architectural, automotive, furniture, and appliance coatings.Adhesives:
Provides excellent bonding strength and water resistance, making it ideal for use in marine, automotive, and construction adhesives.Printing Inks:
Improves flowability, adhesion, and print clarity, enhancing the overall quality of ink for various substrates.Other Fields:
Also used in building materials, electronics, and environmentally friendly plastics, such as eco-flooring and circuit boards.
Its wide compatibility, renewable origin, and functional performance make ESBO an excellent choice in both traditional and eco-conscious formulations.
Can your ESBO be used as a substitute for phthalate plasticizers?
Yes, Epoxidized Soybean Oil (ESBO) is widely recognized as a safe and effective non-phthalate plasticizer alternative. Compared to traditional phthalate plasticizers, ESBO offers several advantages:
Environmental Friendliness: Derived from renewable soybean oil, ESBO is biodegradable and reduces reliance on petroleum-based chemicals.
Health Safety: Unlike many phthalates, ESBO does not have known endocrine-disrupting effects, making it a preferable choice for applications requiring low toxicity.
Excellent Compatibility: ESBO blends well with PVC and various other polymers, enhancing flexibility and durability without compromising mechanical properties.
Heat and Light Stability: It also acts as a secondary stabilizer, improving the thermal and UV resistance of plastic products.
Regulatory Acceptance: ESBO complies with major international safety regulations, facilitating its use in sensitive products such as food packaging, toys, and medical devices.
Because of these benefits, many manufacturers switch to ESBO to meet increasing regulatory pressures and consumer demand for safer, greener materials without sacrificing performance.
Can I customize the product specifications?
Yes, we offer customization within feasible technical limits to meet your specific requirements. Common customizable parameters include:
Epoxy Value: Typically from 5.5% to 7.5%
Viscosity (at 25°C): Adjustable within 300 to 700 mPa·s
Acid Value: Can be controlled below 0.5 mg KOH/g
Iodine Value: Adjustable typically between 3 to 8 g I₂/100g
Color: Light yellow to pale amber, depending on grade
Impurity Levels: Customized to meet specific purity requirements
Please contact us with your detailed specification needs, and our technical team will assist you in tailoring the product accordingly.
