Overview of Sorbitan Sesquioleate
Sorbitan Sesquioleate is a kind of non-ionic surfactant with emulsification, stability, lubrication, thickening and other properties, belonging to W/O type emulsifier.

Sorbitan sesquioleate
Properties of Sorbitan Sesquioleate
Density: 0.989g/ml at 25 ° C (lit.)
Vapour Pressure: 0.81 psi (20 ° C)
Refractive Index: n20/D1.478 (lit.)
Flash Point: 113 ° C
Solubility: Dispersed in water, soluble in fatty oil, slightly soluble in ethanol.
Acidity Coefficient (pKa): 13.11 at 20 ℃
Form: Viscous liquid
Color: Light yellow
Water Solubility: In solution in cold water, hot water, solution in mineral oil and ethyl acetate
Performance of Sorbitan Sesquioleate
This product is an amber to brown oily liquid, slightly soluble in cottonseed oil, mineral oil, tetrachloroethylene, and isopropanol.
Sorbitan Sesquioleate is a kind of non-ionic surfactant with emulsification, stability, lubrication, thickening and other properties, belonging to W/O type emulsifier.
Production methods of Sorbitan Sesquioleate
Put 1mol of sorbitol into the reaction vessel, dehydrate under reduced pressure, then press the refined oleic acid into the reaction vessel, and add a catalyst amount of sodium hydroxide. Vacuum under stirring, gradually raise the temperature to around 200 ℃, and maintain the reaction for 8 hours. Take a sample to measure the acid value, and when the acid value reaches 12, the chemical book indicates the end of the esterification reaction. Cool and let stand for 24 hours. After the reaction solution is layered, discard the lower layer of dark liquid and transfer the upper layer of liquid into the decolorization kettle. decolorize with hydrogen peroxide at 50-60 ℃ for 1 hour. Continue to vacuum dehydrate, dehydrate at 110 ℃ for 5 hours, and the reaction is complete. The finished product is then discharged and filled.
Technical Parameter of Sorbitan Sesquioleate
|
Product name |
Acid (mg KOH/g) |
Saponification (mg KOH/g) |
Hydroxyl (mg KOH/g) |
Water content |
Appearance |
|
Sorbitan sesquioleate |
≤14 |
143-165 |
182-220 |
≤1.0 |
Yellow to amber viscous oily liquid |
Application of Sorbitan Sesquioleate
Sorbitan sesquioleate is used as emulsifier, solvent, stabilizer, softener and antistatic agent in cosmetic, textile and paint industries.

Application of Sorbitan Sesquioleate
Company Profile
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Sorbitan Sesquioleate, please feel free to contact us or click on the needed products to send an inquiry.

Company Profile
Packing of Sorbitan Sesquioleate
1kg/bottle, 25kg/barrel, or 200kg/ barrel.
100g, 1kg, 10kg, etc.
We have many different kinds of packing which depend on the quantity

Packing of Sorbitan Sesquioleate
Payment Methods of Sorbitan Sesquioleate
L/C, T/T, Western Union, Paypal, Credit Card etc.
Shipment of Sorbitan Sesquioleate
By sea, by air, by express as soon as possible once payment receipt.
FAQs of Sorbitan Sesquioleate
Q: What are the main applications of Sorbitan Sesquioleate in cosmetics and personal care products?
A: Sorbitan Sesquioleate finds extensive use in various cosmetic and personal care products due to its versatile properties: Emulsifiers: Helps stabilize oil-in-water or water-in-oil emulsions in creams, lotions, and moisturizers. Emollients: Provides skin-softening benefits, leaving the skin feeling smooth and hydrated. Conditioning Agents: Adds conditioning properties to hair products, improving manageability and reducing frizz. Solubilizers: Enhances the solubility of poorly soluble ingredients, such as essential oils or fragrances, in aqueous solutions. Stabilizers: Improves the stability of formulations by preventing separation and enhancing shelf life.
Q: Is Sorbitan Sesquioleate safe for use in cosmetics?
A: Yes, Sorbitan Sesquioleate is generally considered safe for use in cosmetics and personal care products. It has been reviewed by regulatory bodies such as the Cosmetic Ingredient Review (CIR) Expert Panel, which concluded that it is safe for use in rinse-off and leave-on products. It is also approved by various international regulatory agencies. However, individual sensitivity can vary, so patch testing is recommended if you have known allergies or particularly sensitive skin.
Q: What are the benefits of using Sorbitan Sesquioleate over other emulsifiers?
A: The benefits of using Sorbitan Sesquioleate include: Natural Origin: Derived from renewable resources like sorbitol and oleic acid, appealing to consumers seeking natural or eco-friendly ingredients. Low Irritation Potential: Generally recognized for its mildness and low potential to irritate the skin, making it suitable for sensitive skin types. Versatility: Suitable for a wide range of cosmetic applications, including those designed for both skin and hair care. Enhanced Stability: Contributes to the stability of emulsions, helping to prevent phase separation and extending product shelf life. Cost-Effective: Often more cost-effective compared to some synthetic alternatives while still providing excellent performance.
Q: How should Sorbitan Sesquioleate be stored and handled?
A: Proper storage and handling practices for Sorbitan Sesquioleate include: Storage Conditions: Store in a cool, dry place away from direct sunlight and heat sources to maintain stability and prevent degradation. Sealed Containers: Keep in tightly sealed containers to avoid contamination and oxidation. Compatibility: Be aware of potential incompatibilities with certain preservatives or active ingredients; always test formulations for stability. Personal Protection: While generally safe, wearing appropriate personal protective equipment (PPE) like gloves is advisable when handling large quantities in industrial settings. Disposal: Dispose of any unused product according to local regulations for chemical waste management, ensuring responsible environmental practices.
Sorbitan sesquioleate Properties |
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| Other name | Span 83 | ||
| CAS No. | 8007-43-0 | ||
| Compound Formula | C66H126O16 | ||
| Molecular Weight | 1175.70 | ||
| Appearance | Yellow to amber viscous oily liquid | ||
| Melting Point | N/A | ||
| Boiling Point | N/A | ||
| Density | N/A | ||
| Solubility in H2O | N/A | ||
| Exact Mass | N/A | ||
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| Signal Word | N/A | ||
| Hazard Statements | N/A | ||
| Hazard Codes | N/A | ||
| Risk Codes | N/A | ||
| Safety Statements | N/A | ||
| Transport Information |
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