The success of any emulsion-based product, whether in cosmetics, pharmaceuticals, or industrial applications, heavily relies on the appropriate selection of emulsifiers. A key parameter guiding this selection is the Hydrophilic-Lipophilic Balance (HLB) value. Understanding HLB is crucial for formulators, and knowing how ingredients like Sorbitan Sesquioleate (CAS 8007-43-0) fit into this framework is essential. As a leading manufacturer and supplier, we aim to demystify this concept and highlight the role of our high-quality Sorbitan Sesquioleate.

The HLB system, introduced by Griffin in 1949, quantifies the degree to which an emulsifier is hydrophilic (water-loving) or lipophilic (oil-loving). Values range from 0 to 20, with lower numbers indicating more lipophilic characteristics and higher numbers indicating more hydrophilic characteristics. Generally:

  • HLB 3-6: Primarily used as W/O emulsifiers (water-in-oil emulsions).
  • HLB 7-9: Used as wetting agents.
  • HLB 8-18: Primarily used as O/W emulsifiers (oil-in-water emulsions).
  • HLB 13-16: Used as detergents.
  • HLB 16-20: Used as solubilizers.

Sorbitan Sesquioleate and its HLB:

Sorbitan Sesquioleate, with its chemical structure derived from sorbitol and oleic acid, typically exhibits an HLB value of around 3.7. This relatively low HLB value positions it firmly in the category of lipophilic emulsifiers, making it particularly effective in forming and stabilizing water-in-oil (W/O) emulsions. These are emulsions where water droplets are dispersed within an oil phase, often resulting in richer, more occlusive formulations desirable in certain skincare and cosmetic applications, such as thick creams or balms.

Its utility is not limited to solely W/O systems. By combining Sorbitan Sesquioleate with more hydrophilic emulsifiers (those with higher HLB values), formulators can achieve synergistic effects, creating more stable and sophisticated emulsions. This combination approach allows for fine-tuning the texture, stability, and application properties of a wide range of products.

Applications Requiring Low HLB Emulsifiers:

  • Rich Creams and Ointments: Ideal for formulations needing a heavy, moisturizing base.
  • Sunscreen Formulations: Can help disperse UV filters effectively within the oil phase of W/O sunscreens.
  • Color Cosmetics: Assists in dispersing pigments in oil-based makeup products, contributing to smooth application and color uniformity.
  • Industrial Lubricants and Release Agents: Its lipophilic nature makes it suitable for applications requiring oil-based lubrication or release properties.

Sourcing from a Trusted Supplier:

For formulators and procurement specialists, understanding how to leverage ingredients like Sorbitan Sesquioleate based on their HLB is crucial. As a dedicated manufacturer and supplier, we provide high-quality Sorbitan Sesquioleate with consistent HLB values and purity. Purchasing in bulk from us ensures a reliable and cost-effective supply chain for your formulation needs. We are committed to providing the technical data and support necessary for you to successfully incorporate this ingredient into your products.

To learn more about Sorbitan Sesquioleate and how its specific HLB value can benefit your formulations, we invite you to contact us. Explore our competitive pricing for bulk orders and secure a dependable source for this essential emulsifying agent.